Home / 618,238,464.80-927,357,697.20-331,584,000.80

Finding the Fourth Proportional to 618,238,464.80, 927,357,697.20 and 331,584,000.80

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Solution

The fourth proportional to 618,238,464.80, 927,357,697.20 and 331,584,000.80 is: 497,376,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,238,464.80 : 927,357,697.20 = 331,584,000.80 : x
  2. Step 2: Convert to fraction form
    618,238,464.80/927,357,697.20 = 331,584,000.80/x
  3. Step 3: Cross multiply
    618,238,464.80x = 927,357,697.20 × 331,584,000.80
  4. Step 4: Simplify right side
    618,238,464.80x = 307,496,975,410,251,008
  5. Step 5: Solve for x
    x = 307,496,975,410,251,008/618,238,464.80
  6. Step 6: Final answer
    x = 497,376,001.20

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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.