Home / 417,206,814.30-625,810,221.45-303,960,606.30

Finding the Fourth Proportional to 417,206,814.30, 625,810,221.45 and 303,960,606.30

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Solution

The fourth proportional to 417,206,814.30, 625,810,221.45 and 303,960,606.30 is: 455,940,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,206,814.30 : 625,810,221.45 = 303,960,606.30 : x
  2. Step 2: Convert to fraction form
    417,206,814.30/625,810,221.45 = 303,960,606.30/x
  3. Step 3: Cross multiply
    417,206,814.30x = 625,810,221.45 × 303,960,606.30
  4. Step 4: Simplify right side
    417,206,814.30x = 190,221,654,340,679,296
  5. Step 5: Solve for x
    x = 190,221,654,340,679,296/417,206,814.30
  6. Step 6: Final answer
    x = 455,940,909.45

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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.