Home / 479,307,939.17-661,438,488.87-267,618,030.50

Finding the Fourth Proportional to 479,307,939.17, 661,438,488.87 and 267,618,030.50

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Solution

The fourth proportional to 479,307,939.17, 661,438,488.87 and 267,618,030.50 is: 369,309,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,307,939.17 : 661,438,488.87 = 267,618,030.50 : x
  2. Step 2: Convert to fraction form
    479,307,939.17/661,438,488.87 = 267,618,030.50/x
  3. Step 3: Cross multiply
    479,307,939.17x = 661,438,488.87 × 267,618,030.50
  4. Step 4: Simplify right side
    479,307,939.17x = 177,012,865,689,939,168
  5. Step 5: Solve for x
    x = 177,012,865,689,939,168/479,307,939.17
  6. Step 6: Final answer
    x = 369,309,271.19

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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.