Finding the Fourth Proportional to 560,820,203.91, 840,478,354.29 and 436,472,981.28
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Solution
The fourth proportional to 560,820,203.91, 840,478,354.29 and 436,472,981.28 is: 654,124,245.95
Step by Step Solution
- Step 1: Write the proportion equation
560,820,203.91 : 840,478,354.29 = 436,472,981.28 : x - Step 2: Convert to fraction form
560,820,203.91/840,478,354.29 = 436,472,981.28/x - Step 3: Cross multiply
560,820,203.91x = 840,478,354.29 × 436,472,981.28 - Step 4: Simplify right side
560,820,203.91x = 366,846,092,998,264,320 - Step 5: Solve for x
x = 366,846,092,998,264,320/560,820,203.91 - Step 6: Final answer
x = 654,124,245.95
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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.