Home / 479,307,940.17-661,438,490.25-267,618,031.50

Finding the Fourth Proportional to 479,307,940.17, 661,438,490.25 and 267,618,031.50

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Solution

The fourth proportional to 479,307,940.17, 661,438,490.25 and 267,618,031.50 is: 369,309,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,307,940.17 : 661,438,490.25 = 267,618,031.50 : x
  2. Step 2: Convert to fraction form
    479,307,940.17/661,438,490.25 = 267,618,031.50/x
  3. Step 3: Cross multiply
    479,307,940.17x = 661,438,490.25 × 267,618,031.50
  4. Step 4: Simplify right side
    479,307,940.17x = 177,012,866,719,036,928
  5. Step 5: Solve for x
    x = 177,012,866,719,036,928/479,307,940.17
  6. Step 6: Final answer
    x = 369,309,272.57

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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.