Home / 386,723,464.20-579,234,890.70-335,705,128.20

Finding the Fourth Proportional to 386,723,464.20, 579,234,890.70 and 335,705,128.20

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Solution

The fourth proportional to 386,723,464.20, 579,234,890.70 and 335,705,128.20 is: 502,819,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,723,464.20 : 579,234,890.70 = 335,705,128.20 : x
  2. Step 2: Convert to fraction form
    386,723,464.20/579,234,890.70 = 335,705,128.20/x
  3. Step 3: Cross multiply
    386,723,464.20x = 579,234,890.70 × 335,705,128.20
  4. Step 4: Simplify right side
    386,723,464.20x = 194,452,123,240,356,512
  5. Step 5: Solve for x
    x = 194,452,123,240,356,512/386,723,464.20
  6. Step 6: Final answer
    x = 502,819,562.92

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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.