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Finding the Fourth Proportional to 283,572,410.30, 425,358,615.45 and 266,353,721.90

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Solution

The fourth proportional to 283,572,410.30, 425,358,615.45 and 266,353,721.90 is: 399,530,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,572,410.30 : 425,358,615.45 = 266,353,721.90 : x
  2. Step 2: Convert to fraction form
    283,572,410.30/425,358,615.45 = 266,353,721.90/x
  3. Step 3: Cross multiply
    283,572,410.30x = 425,358,615.45 × 266,353,721.90
  4. Step 4: Simplify right side
    283,572,410.30x = 113,295,850,367,338,336
  5. Step 5: Solve for x
    x = 113,295,850,367,338,336/283,572,410.30
  6. Step 6: Final answer
    x = 399,530,582.85

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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.