Home / 13,291,465,337.46-18,347,869,895.49-8,281,687,947.48

Finding the Fourth Proportional to 13,291,465,337.46, 18,347,869,895.49 and 8,281,687,947.48

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Solution

The fourth proportional to 13,291,465,337.46, 18,347,869,895.49 and 8,281,687,947.48 is: 11,432,248,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,465,337.46 : 18,347,869,895.49 = 8,281,687,947.48 : x
  2. Step 2: Convert to fraction form
    13,291,465,337.46/18,347,869,895.49 = 8,281,687,947.48/x
  3. Step 3: Cross multiply
    13,291,465,337.46x = 18,347,869,895.49 × 8,281,687,947.48
  4. Step 4: Simplify right side
    13,291,465,337.46x = 151,951,332,975,410,675,712
  5. Step 5: Solve for x
    x = 151,951,332,975,410,675,712/13,291,465,337.46
  6. Step 6: Final answer
    x = 11,432,248,372.73

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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.