Home / 266,117,672.40-399,176,508.60-262,534,491.60

Finding the Fourth Proportional to 266,117,672.40, 399,176,508.60 and 262,534,491.60

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Solution

The fourth proportional to 266,117,672.40, 399,176,508.60 and 262,534,491.60 is: 393,801,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,117,672.40 : 399,176,508.60 = 262,534,491.60 : x
  2. Step 2: Convert to fraction form
    266,117,672.40/399,176,508.60 = 262,534,491.60/x
  3. Step 3: Cross multiply
    266,117,672.40x = 399,176,508.60 × 262,534,491.60
  4. Step 4: Simplify right side
    266,117,672.40x = 104,797,601,743,964,032
  5. Step 5: Solve for x
    x = 104,797,601,743,964,032/266,117,672.40
  6. Step 6: Final answer
    x = 393,801,737.40

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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.