Home / 8,186,418,074.59-11,297,290,979.99-4,427,228,640.89

Finding the Fourth Proportional to 8,186,418,074.59, 11,297,290,979.99 and 4,427,228,640.89

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Solution

The fourth proportional to 8,186,418,074.59, 11,297,290,979.99 and 4,427,228,640.89 is: 6,109,593,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186,418,074.59 : 11,297,290,979.99 = 4,427,228,640.89 : x
  2. Step 2: Convert to fraction form
    8,186,418,074.59/11,297,290,979.99 = 4,427,228,640.89/x
  3. Step 3: Cross multiply
    8,186,418,074.59x = 11,297,290,979.99 × 4,427,228,640.89
  4. Step 4: Simplify right side
    8,186,418,074.59x = 50,015,690,191,121,506,304
  5. Step 5: Solve for x
    x = 50,015,690,191,121,506,304/8,186,418,074.59
  6. Step 6: Final answer
    x = 6,109,593,931.73

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Double scale
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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.