Home / 1,023,123,494.72-1,411,909,427.04-553,223,691.20

Finding the Fourth Proportional to 1,023,123,494.72, 1,411,909,427.04 and 553,223,691.20

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Solution

The fourth proportional to 1,023,123,494.72, 1,411,909,427.04 and 553,223,691.20 is: 763,448,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,123,494.72 : 1,411,909,427.04 = 553,223,691.20 : x
  2. Step 2: Convert to fraction form
    1,023,123,494.72/1,411,909,427.04 = 553,223,691.20/x
  3. Step 3: Cross multiply
    1,023,123,494.72x = 1,411,909,427.04 × 553,223,691.20
  4. Step 4: Simplify right side
    1,023,123,494.72x = 781,101,744,867,145,984
  5. Step 5: Solve for x
    x = 781,101,744,867,145,984/1,023,123,494.72
  6. Step 6: Final answer
    x = 763,448,155.48

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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.