Home / 554,413,171.89-764,967,861.72-328,239,849.92

Finding the Fourth Proportional to 554,413,171.89, 764,967,861.72 and 328,239,849.92

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Solution

The fourth proportional to 554,413,171.89, 764,967,861.72 and 328,239,849.92 is: 452,898,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,413,171.89 : 764,967,861.72 = 328,239,849.92 : x
  2. Step 2: Convert to fraction form
    554,413,171.89/764,967,861.72 = 328,239,849.92/x
  3. Step 3: Cross multiply
    554,413,171.89x = 764,967,861.72 × 328,239,849.92
  4. Step 4: Simplify right side
    554,413,171.89x = 251,092,936,126,508,544
  5. Step 5: Solve for x
    x = 251,092,936,126,508,544/554,413,171.89
  6. Step 6: Final answer
    x = 452,898,576.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.