Home / 302,156,640.60-453,234,960.90-266,443,805.40

Finding the Fourth Proportional to 302,156,640.60, 453,234,960.90 and 266,443,805.40

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Solution

The fourth proportional to 302,156,640.60, 453,234,960.90 and 266,443,805.40 is: 399,665,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,156,640.60 : 453,234,960.90 = 266,443,805.40 : x
  2. Step 2: Convert to fraction form
    302,156,640.60/453,234,960.90 = 266,443,805.40/x
  3. Step 3: Cross multiply
    302,156,640.60x = 453,234,960.90 × 266,443,805.40
  4. Step 4: Simplify right side
    302,156,640.60x = 120,761,647,722,516,208
  5. Step 5: Solve for x
    x = 120,761,647,722,516,208/302,156,640.60
  6. Step 6: Final answer
    x = 399,665,708.10

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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.