Home / 821,977,234.38-1,233,147,205.71-239,757,046.83

Finding the Fourth Proportional to 821,977,234.38, 1,233,147,205.71 and 239,757,046.83

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Solution

The fourth proportional to 821,977,234.38, 1,233,147,205.71 and 239,757,046.83 is: 359,688,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,977,234.38 : 1,233,147,205.71 = 239,757,046.83 : x
  2. Step 2: Convert to fraction form
    821,977,234.38/1,233,147,205.71 = 239,757,046.83/x
  3. Step 3: Cross multiply
    821,977,234.38x = 1,233,147,205.71 × 239,757,046.83
  4. Step 4: Simplify right side
    821,977,234.38x = 295,655,732,347,696,128
  5. Step 5: Solve for x
    x = 295,655,732,347,696,128/821,977,234.38
  6. Step 6: Final answer
    x = 359,688,468.22

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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.