Home / 354,771,702.40-531,926,606.40-318,491,996.80

Finding the Fourth Proportional to 354,771,702.40, 531,926,606.40 and 318,491,996.80

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Solution

The fourth proportional to 354,771,702.40, 531,926,606.40 and 318,491,996.80 is: 477,530,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,771,702.40 : 531,926,606.40 = 318,491,996.80 : x
  2. Step 2: Convert to fraction form
    354,771,702.40/531,926,606.40 = 318,491,996.80/x
  3. Step 3: Cross multiply
    354,771,702.40x = 531,926,606.40 × 318,491,996.80
  4. Step 4: Simplify right side
    354,771,702.40x = 169,414,367,023,383,648
  5. Step 5: Solve for x
    x = 169,414,367,023,383,648/354,771,702.40
  6. Step 6: Final answer
    x = 477,530,665.15

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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.