Home / 504,455,769.45-756,683,654.18-140,950,125.45

Finding the Fourth Proportional to 504,455,769.45, 756,683,654.18 and 140,950,125.45

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Solution

The fourth proportional to 504,455,769.45, 756,683,654.18 and 140,950,125.45 is: 211,425,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,455,769.45 : 756,683,654.18 = 140,950,125.45 : x
  2. Step 2: Convert to fraction form
    504,455,769.45/756,683,654.18 = 140,950,125.45/x
  3. Step 3: Cross multiply
    504,455,769.45x = 756,683,654.18 × 140,950,125.45
  4. Step 4: Simplify right side
    504,455,769.45x = 106,654,655,981,930,656
  5. Step 5: Solve for x
    x = 106,654,655,981,930,656/504,455,769.45
  6. Step 6: Final answer
    x = 211,425,188.18

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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.