Home / 305,484,337.62-457,691,828.67-208,123,996.50

Finding the Fourth Proportional to 305,484,337.62, 457,691,828.67 and 208,123,996.50

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Solution

The fourth proportional to 305,484,337.62, 457,691,828.67 and 208,123,996.50 is: 311,821,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,484,337.62 : 457,691,828.67 = 208,123,996.50 : x
  2. Step 2: Convert to fraction form
    305,484,337.62/457,691,828.67 = 208,123,996.50/x
  3. Step 3: Cross multiply
    305,484,337.62x = 457,691,828.67 × 208,123,996.50
  4. Step 4: Simplify right side
    305,484,337.62x = 95,256,652,548,193,680
  5. Step 5: Solve for x
    x = 95,256,652,548,193,680/305,484,337.62
  6. Step 6: Final answer
    x = 311,821,723.14

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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.