Home / 429,736,863.22-644,604,487.35-134,654,572.42

Finding the Fourth Proportional to 429,736,863.22, 644,604,487.35 and 134,654,572.42

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Solution

The fourth proportional to 429,736,863.22, 644,604,487.35 and 134,654,572.42 is: 201,981,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,736,863.22 : 644,604,487.35 = 134,654,572.42 : x
  2. Step 2: Convert to fraction form
    429,736,863.22/644,604,487.35 = 134,654,572.42/x
  3. Step 3: Cross multiply
    429,736,863.22x = 644,604,487.35 × 134,654,572.42
  4. Step 4: Simplify right side
    429,736,863.22x = 86,798,941,624,127,536
  5. Step 5: Solve for x
    x = 86,798,941,624,127,536/429,736,863.22
  6. Step 6: Final answer
    x = 201,981,605.61

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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.