Finding the Fourth Proportional to 2,458,129,870.60, 3,687,194,805.90 and 2,417,315,201.80
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Solution
The fourth proportional to 2,458,129,870.60, 3,687,194,805.90 and 2,417,315,201.80 is: 3,625,972,802.70
Step by Step Solution
- Step 1: Write the proportion equation
2,458,129,870.60 : 3,687,194,805.90 = 2,417,315,201.80 : x - Step 2: Convert to fraction form
2,458,129,870.60/3,687,194,805.90 = 2,417,315,201.80/x - Step 3: Cross multiply
2,458,129,870.60x = 3,687,194,805.90 × 2,417,315,201.80 - Step 4: Simplify right side
2,458,129,870.60x = 8,913,112,056,300,070,912 - Step 5: Solve for x
x = 8,913,112,056,300,070,912/2,458,129,870.60 - Step 6: Final answer
x = 3,625,972,802.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.