Home / 313,744,097.86-470,070,755.29-220,172,616.69

Finding the Fourth Proportional to 313,744,097.86, 470,070,755.29 and 220,172,616.69

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Solution

The fourth proportional to 313,744,097.86, 470,070,755.29 and 220,172,616.69 is: 329,876,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,744,097.86 : 470,070,755.29 = 220,172,616.69 : x
  2. Step 2: Convert to fraction form
    313,744,097.86/470,070,755.29 = 220,172,616.69/x
  3. Step 3: Cross multiply
    313,744,097.86x = 470,070,755.29 × 220,172,616.69
  4. Step 4: Simplify right side
    313,744,097.86x = 103,496,708,221,643,968
  5. Step 5: Solve for x
    x = 103,496,708,221,643,968/313,744,097.86
  6. Step 6: Final answer
    x = 329,876,191.86

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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.