Home / 663,786,670.80-995,680,006.20-179,111,701.20

Finding the Fourth Proportional to 663,786,670.80, 995,680,006.20 and 179,111,701.20

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Solution

The fourth proportional to 663,786,670.80, 995,680,006.20 and 179,111,701.20 is: 268,667,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,786,670.80 : 995,680,006.20 = 179,111,701.20 : x
  2. Step 2: Convert to fraction form
    663,786,670.80/995,680,006.20 = 179,111,701.20/x
  3. Step 3: Cross multiply
    663,786,670.80x = 995,680,006.20 × 179,111,701.20
  4. Step 4: Simplify right side
    663,786,670.80x = 178,337,939,761,308,544
  5. Step 5: Solve for x
    x = 178,337,939,761,308,544/663,786,670.80
  6. Step 6: Final answer
    x = 268,667,551.80

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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.