Home / 688,680,326.15-1,032,914,004.19-251,878,864.31

Finding the Fourth Proportional to 688,680,326.15, 1,032,914,004.19 and 251,878,864.31

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Solution

The fourth proportional to 688,680,326.15, 1,032,914,004.19 and 251,878,864.31 is: 377,779,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,680,326.15 : 1,032,914,004.19 = 251,878,864.31 : x
  2. Step 2: Convert to fraction form
    688,680,326.15/1,032,914,004.19 = 251,878,864.31/x
  3. Step 3: Cross multiply
    688,680,326.15x = 1,032,914,004.19 × 251,878,864.31
  4. Step 4: Simplify right side
    688,680,326.15x = 260,169,206,304,761,472
  5. Step 5: Solve for x
    x = 260,169,206,304,761,472/688,680,326.15
  6. Step 6: Final answer
    x = 377,779,350.49

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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.