Home / 493,074,219-680,429,398.87-281,377,255.20

Finding the Fourth Proportional to 493,074,219, 680,429,398.87 and 281,377,255.20

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Solution

The fourth proportional to 493,074,219, 680,429,398.87 and 281,377,255.20 is: 388,293,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,074,219 : 680,429,398.87 = 281,377,255.20 : x
  2. Step 2: Convert to fraction form
    493,074,219/680,429,398.87 = 281,377,255.20/x
  3. Step 3: Cross multiply
    493,074,219x = 680,429,398.87 × 281,377,255.20
  4. Step 4: Simplify right side
    493,074,219x = 191,457,356,610,019,680
  5. Step 5: Solve for x
    x = 191,457,356,610,019,680/493,074,219
  6. Step 6: Final answer
    x = 388,293,180.28

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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.