Home / 478,149,707.82-717,153,178.05-133,067,351.82

Finding the Fourth Proportional to 478,149,707.82, 717,153,178.05 and 133,067,351.82

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Solution

The fourth proportional to 478,149,707.82, 717,153,178.05 and 133,067,351.82 is: 199,581,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,149,707.82 : 717,153,178.05 = 133,067,351.82 : x
  2. Step 2: Convert to fraction form
    478,149,707.82/717,153,178.05 = 133,067,351.82/x
  3. Step 3: Cross multiply
    478,149,707.82x = 717,153,178.05 × 133,067,351.82
  4. Step 4: Simplify right side
    478,149,707.82x = 95,429,674,252,410,448
  5. Step 5: Solve for x
    x = 95,429,674,252,410,448/478,149,707.82
  6. Step 6: Final answer
    x = 199,581,161.91

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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.