Home / 1,039,918,808.80-1,432,676,058.78-726,156,042.40

Finding the Fourth Proportional to 1,039,918,808.80, 1,432,676,058.78 and 726,156,042.40

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Solution

The fourth proportional to 1,039,918,808.80, 1,432,676,058.78 and 726,156,042.40 is: 1,000,411,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,918,808.80 : 1,432,676,058.78 = 726,156,042.40 : x
  2. Step 2: Convert to fraction form
    1,039,918,808.80/1,432,676,058.78 = 726,156,042.40/x
  3. Step 3: Cross multiply
    1,039,918,808.80x = 1,432,676,058.78 × 726,156,042.40
  4. Step 4: Simplify right side
    1,039,918,808.80x = 1,040,346,376,884,914,560
  5. Step 5: Solve for x
    x = 1,040,346,376,884,914,560/1,039,918,808.80
  6. Step 6: Final answer
    x = 1,000,411,155.26

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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.