Finding the Fourth Proportional to 454,016,223.80, 681,024,335.70 and 272,617,695.80
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Solution
The fourth proportional to 454,016,223.80, 681,024,335.70 and 272,617,695.80 is: 408,926,543.70
Step by Step Solution
- Step 1: Write the proportion equation
454,016,223.80 : 681,024,335.70 = 272,617,695.80 : x - Step 2: Convert to fraction form
454,016,223.80/681,024,335.70 = 272,617,695.80/x - Step 3: Cross multiply
454,016,223.80x = 681,024,335.70 × 272,617,695.80 - Step 4: Simplify right side
454,016,223.80x = 185,659,285,182,259,712 - Step 5: Solve for x
x = 185,659,285,182,259,712/454,016,223.80 - Step 6: Final answer
x = 408,926,543.70
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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.