Home / 499,608,035.70-749,412,053.55-324,256,125.30

Finding the Fourth Proportional to 499,608,035.70, 749,412,053.55 and 324,256,125.30

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Solution

The fourth proportional to 499,608,035.70, 749,412,053.55 and 324,256,125.30 is: 486,384,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,608,035.70 : 749,412,053.55 = 324,256,125.30 : x
  2. Step 2: Convert to fraction form
    499,608,035.70/749,412,053.55 = 324,256,125.30/x
  3. Step 3: Cross multiply
    499,608,035.70x = 749,412,053.55 × 324,256,125.30
  4. Step 4: Simplify right side
    499,608,035.70x = 243,001,448,737,239,104
  5. Step 5: Solve for x
    x = 243,001,448,737,239,104/499,608,035.70
  6. Step 6: Final answer
    x = 486,384,187.95

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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.