Home / 479,540,593.59-661,765,753.17-270,698,539.83

Finding the Fourth Proportional to 479,540,593.59, 661,765,753.17 and 270,698,539.83

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Solution

The fourth proportional to 479,540,593.59, 661,765,753.17 and 270,698,539.83 is: 373,563,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,540,593.59 : 661,765,753.17 = 270,698,539.83 : x
  2. Step 2: Convert to fraction form
    479,540,593.59/661,765,753.17 = 270,698,539.83/x
  3. Step 3: Cross multiply
    479,540,593.59x = 661,765,753.17 × 270,698,539.83
  4. Step 4: Simplify right side
    479,540,593.59x = 179,139,023,092,619,168
  5. Step 5: Solve for x
    x = 179,139,023,092,619,168/479,540,593.59
  6. Step 6: Final answer
    x = 373,563,834.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.