Home / 479,307,973.20-661,438,535.76-267,618,064.48

Finding the Fourth Proportional to 479,307,973.20, 661,438,535.76 and 267,618,064.48

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Solution

The fourth proportional to 479,307,973.20, 661,438,535.76 and 267,618,064.48 is: 369,309,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,307,973.20 : 661,438,535.76 = 267,618,064.48 : x
  2. Step 2: Convert to fraction form
    479,307,973.20/661,438,535.76 = 267,618,064.48/x
  3. Step 3: Cross multiply
    479,307,973.20x = 661,438,535.76 × 267,618,064.48
  4. Step 4: Simplify right side
    479,307,973.20x = 177,012,900,712,576,448
  5. Step 5: Solve for x
    x = 177,012,900,712,576,448/479,307,973.20
  6. Step 6: Final answer
    x = 369,309,318.04

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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.