Home / 531,441,572.40-797,162,358.60-420,476,691.60

Finding the Fourth Proportional to 531,441,572.40, 797,162,358.60 and 420,476,691.60

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Solution

The fourth proportional to 531,441,572.40, 797,162,358.60 and 420,476,691.60 is: 630,715,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441,572.40 : 797,162,358.60 = 420,476,691.60 : x
  2. Step 2: Convert to fraction form
    531,441,572.40/797,162,358.60 = 420,476,691.60/x
  3. Step 3: Cross multiply
    531,441,572.40x = 797,162,358.60 × 420,476,691.60
  4. Step 4: Simplify right side
    531,441,572.40x = 335,188,191,212,180,864
  5. Step 5: Solve for x
    x = 335,188,191,212,180,864/531,441,572.40
  6. Step 6: Final answer
    x = 630,715,037.40

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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.