Finding the Fourth Proportional to 1,164,976,537.20, 1,607,656,753.08 and 636,340,320.96
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Solution
The fourth proportional to 1,164,976,537.20, 1,607,656,753.08 and 636,340,320.96 is: 878,143,706.40
Step by Step Solution
- Step 1: Write the proportion equation
1,164,976,537.20 : 1,607,656,753.08 = 636,340,320.96 : x - Step 2: Convert to fraction form
1,164,976,537.20/1,607,656,753.08 = 636,340,320.96/x - Step 3: Cross multiply
1,164,976,537.20x = 1,607,656,753.08 × 636,340,320.96 - Step 4: Simplify right side
1,164,976,537.20x = 1,023,016,814,248,438,656 - Step 5: Solve for x
x = 1,023,016,814,248,438,656/1,164,976,537.20 - Step 6: Final answer
x = 878,143,706.40
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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.