Home / 6,218,488,743.74-8,581,513,832.57-3,399,107,928.78

Finding the Fourth Proportional to 6,218,488,743.74, 8,581,513,832.57 and 3,399,107,928.78

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Solution

The fourth proportional to 6,218,488,743.74, 8,581,513,832.57 and 3,399,107,928.78 is: 4,690,768,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218,488,743.74 : 8,581,513,832.57 = 3,399,107,928.78 : x
  2. Step 2: Convert to fraction form
    6,218,488,743.74/8,581,513,832.57 = 3,399,107,928.78/x
  3. Step 3: Cross multiply
    6,218,488,743.74x = 8,581,513,832.57 × 3,399,107,928.78
  4. Step 4: Simplify right side
    6,218,488,743.74x = 29,169,491,709,247,365,120
  5. Step 5: Solve for x
    x = 29,169,491,709,247,365,120/6,218,488,743.74
  6. Step 6: Final answer
    x = 4,690,768,595.28

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Double scale
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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.