Finding the Fourth Proportional to 12,454,649,750.88, 17,187,405,552.20 and 7,030,327,113.99
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Solution
The fourth proportional to 12,454,649,750.88, 17,187,405,552.20 and 7,030,327,113.99 is: 9,701,845,149.38
Step by Step Solution
- Step 1: Write the proportion equation
12,454,649,750.88 : 17,187,405,552.20 = 7,030,327,113.99 : x - Step 2: Convert to fraction form
12,454,649,750.88/17,187,405,552.20 = 7,030,327,113.99/x - Step 3: Cross multiply
12,454,649,750.88x = 17,187,405,552.20 × 7,030,327,113.99 - Step 4: Simplify right side
12,454,649,750.88x = 120,833,083,272,787,984,384 - Step 5: Solve for x
x = 120,833,083,272,787,984,384/12,454,649,750.88 - Step 6: Final answer
x = 9,701,845,149.38
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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.