Home / 413,753,461.11-620,781,528.15-192,530,308.68

Finding the Fourth Proportional to 413,753,461.11, 620,781,528.15 and 192,530,308.68

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Solution

The fourth proportional to 413,753,461.11, 620,781,528.15 and 192,530,308.68 is: 288,865,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,753,461.11 : 620,781,528.15 = 192,530,308.68 : x
  2. Step 2: Convert to fraction form
    413,753,461.11/620,781,528.15 = 192,530,308.68/x
  3. Step 3: Cross multiply
    413,753,461.11x = 620,781,528.15 × 192,530,308.68
  4. Step 4: Simplify right side
    413,753,461.11x = 119,519,259,237,561,616
  5. Step 5: Solve for x
    x = 119,519,259,237,561,616/413,753,461.11
  6. Step 6: Final answer
    x = 288,865,883.85

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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.