Home / 944,761,807.62-1,417,774,815.59-392,064,217.38

Finding the Fourth Proportional to 944,761,807.62, 1,417,774,815.59 and 392,064,217.38

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Solution

The fourth proportional to 944,761,807.62, 1,417,774,815.59 and 392,064,217.38 is: 588,358,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,761,807.62 : 1,417,774,815.59 = 392,064,217.38 : x
  2. Step 2: Convert to fraction form
    944,761,807.62/1,417,774,815.59 = 392,064,217.38/x
  3. Step 3: Cross multiply
    944,761,807.62x = 1,417,774,815.59 × 392,064,217.38
  4. Step 4: Simplify right side
    944,761,807.62x = 555,858,773,493,406,848
  5. Step 5: Solve for x
    x = 555,858,773,493,406,848/944,761,807.62
  6. Step 6: Final answer
    x = 588,358,641.31

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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.