Home / 412,810,374.38-569,678,409.18-227,171,389.86

Finding the Fourth Proportional to 412,810,374.38, 569,678,409.18 and 227,171,389.86

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Solution

The fourth proportional to 412,810,374.38, 569,678,409.18 and 227,171,389.86 is: 313,496,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,810,374.38 : 569,678,409.18 = 227,171,389.86 : x
  2. Step 2: Convert to fraction form
    412,810,374.38/569,678,409.18 = 227,171,389.86/x
  3. Step 3: Cross multiply
    412,810,374.38x = 569,678,409.18 × 227,171,389.86
  4. Step 4: Simplify right side
    412,810,374.38x = 129,414,635,986,654,384
  5. Step 5: Solve for x
    x = 129,414,635,986,654,384/412,810,374.38
  6. Step 6: Final answer
    x = 313,496,568.93

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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.