Home / 8,168,991,248.85-11,278,412,961.15-6,667,199,891.10

Finding the Fourth Proportional to 8,168,991,248.85, 11,278,412,961.15 and 6,667,199,891.10

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Solution

The fourth proportional to 8,168,991,248.85, 11,278,412,961.15 and 6,667,199,891.10 is: 9,204,983,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,991,248.85 : 11,278,412,961.15 = 6,667,199,891.10 : x
  2. Step 2: Convert to fraction form
    8,168,991,248.85/11,278,412,961.15 = 6,667,199,891.10/x
  3. Step 3: Cross multiply
    8,168,991,248.85x = 11,278,412,961.15 × 6,667,199,891.10
  4. Step 4: Simplify right side
    8,168,991,248.85x = 75,195,433,666,386,771,968
  5. Step 5: Solve for x
    x = 75,195,433,666,386,771,968/8,168,991,248.85
  6. Step 6: Final answer
    x = 9,204,983,990.77

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1.5x scale

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.