Home / 478,530,175.86-717,800,979.15-133,462,808.10

Finding the Fourth Proportional to 478,530,175.86, 717,800,979.15 and 133,462,808.10

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Solution

The fourth proportional to 478,530,175.86, 717,800,979.15 and 133,462,808.10 is: 200,195,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,530,175.86 : 717,800,979.15 = 133,462,808.10 : x
  2. Step 2: Convert to fraction form
    478,530,175.86/717,800,979.15 = 133,462,808.10/x
  3. Step 3: Cross multiply
    478,530,175.86x = 717,800,979.15 × 133,462,808.10
  4. Step 4: Simplify right side
    478,530,175.86x = 95,799,734,334,288,544
  5. Step 5: Solve for x
    x = 95,799,734,334,288,544/478,530,175.86
  6. Step 6: Final answer
    x = 200,195,806.17

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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.