Finding the Fourth Proportional to 2,972,018,738,988.20, 4,101,321,575,890 and 1,720,633,046,393.90
Calculator
Solution
The fourth proportional to 2,972,018,738,988.20, 4,101,321,575,890 and 1,720,633,046,393.90 is: 2,374,436,387,223.82
Step by Step Solution
- Step 1: Write the proportion equation
2,972,018,738,988.20 : 4,101,321,575,890 = 1,720,633,046,393.90 : x - Step 2: Convert to fraction form
2,972,018,738,988.20/4,101,321,575,890 = 1,720,633,046,393.90/x - Step 3: Cross multiply
2,972,018,738,988.20x = 4,101,321,575,890 × 1,720,633,046,393.90 - Step 4: Simplify right side
2,972,018,738,988.20x = 7,056,869,437,364,641,258,799,104 - Step 5: Solve for x
x = 7,056,869,437,364,641,258,799,104/2,972,018,738,988.20 - Step 6: Final answer
x = 2,374,436,387,223.82
Related Problems
Find fourth proportional to 1,486,009,369,494.10, 2,050,660,787,945 and 860,316,523,196.95
Half scale
Find fourth proportional to 5,944,037,477,976.40, 8,202,643,151,780 and 3,441,266,092,787.80
Double scale
Find fourth proportional to 2,972,018,738,989.20, 4,101,321,575,891.38 and 1,720,633,046,394.90
Similar ratio
Find fourth proportional to 4,458,028,108,482.30, 6,151,982,363,835 and 2,580,949,569,590.85
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.