Home / 837,776,505.76-1,256,244,329.52-488,135,567.20

Finding the Fourth Proportional to 837,776,505.76, 1,256,244,329.52 and 488,135,567.20

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Solution

The fourth proportional to 837,776,505.76, 1,256,244,329.52 and 488,135,567.20 is: 731,958,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,776,505.76 : 1,256,244,329.52 = 488,135,567.20 : x
  2. Step 2: Convert to fraction form
    837,776,505.76/1,256,244,329.52 = 488,135,567.20/x
  3. Step 3: Cross multiply
    837,776,505.76x = 1,256,244,329.52 × 488,135,567.20
  4. Step 4: Simplify right side
    837,776,505.76x = 613,217,538,332,028,928
  5. Step 5: Solve for x
    x = 613,217,538,332,028,928/837,776,505.76
  6. Step 6: Final answer
    x = 731,958,385.22

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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.