Home / 1,170,412,843.80-1,755,619,265.70-480,815,002.20

Finding the Fourth Proportional to 1,170,412,843.80, 1,755,619,265.70 and 480,815,002.20

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Solution

The fourth proportional to 1,170,412,843.80, 1,755,619,265.70 and 480,815,002.20 is: 721,222,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,412,843.80 : 1,755,619,265.70 = 480,815,002.20 : x
  2. Step 2: Convert to fraction form
    1,170,412,843.80/1,755,619,265.70 = 480,815,002.20/x
  3. Step 3: Cross multiply
    1,170,412,843.80x = 1,755,619,265.70 × 480,815,002.20
  4. Step 4: Simplify right side
    1,170,412,843.80x = 844,128,081,099,907,840
  5. Step 5: Solve for x
    x = 844,128,081,099,907,840/1,170,412,843.80
  6. Step 6: Final answer
    x = 721,222,503.30

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Double scale
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1.5x scale

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.