Home / 423,619,805.68-633,571,108.92-377,260,223.56

Finding the Fourth Proportional to 423,619,805.68, 633,571,108.92 and 377,260,223.56

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Solution

The fourth proportional to 423,619,805.68, 633,571,108.92 and 377,260,223.56 is: 564,235,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,619,805.68 : 633,571,108.92 = 377,260,223.56 : x
  2. Step 2: Convert to fraction form
    423,619,805.68/633,571,108.92 = 377,260,223.56/x
  3. Step 3: Cross multiply
    423,619,805.68x = 633,571,108.92 × 377,260,223.56
  4. Step 4: Simplify right side
    423,619,805.68x = 239,021,178,192,316,288
  5. Step 5: Solve for x
    x = 239,021,178,192,316,288/423,619,805.68
  6. Step 6: Final answer
    x = 564,235,134.87

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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.