Finding the Fourth Proportional to 1,487,689,616.88, 2,231,857,246.98 and 452,523,593.64
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Solution
The fourth proportional to 1,487,689,616.88, 2,231,857,246.98 and 452,523,593.64 is: 678,883,585.95
Step by Step Solution
- Step 1: Write the proportion equation
1,487,689,616.88 : 2,231,857,246.98 = 452,523,593.64 : x - Step 2: Convert to fraction form
1,487,689,616.88/2,231,857,246.98 = 452,523,593.64/x - Step 3: Cross multiply
1,487,689,616.88x = 2,231,857,246.98 × 452,523,593.64 - Step 4: Simplify right side
1,487,689,616.88x = 1,009,968,061,894,866,560 - Step 5: Solve for x
x = 1,009,968,061,894,866,560/1,487,689,616.88 - Step 6: Final answer
x = 678,883,585.95
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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.