Home / 13,704,599,149.04-18,918,543,733.38-8,631,418,854.86

Finding the Fourth Proportional to 13,704,599,149.04, 18,918,543,733.38 and 8,631,418,854.86

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Solution

The fourth proportional to 13,704,599,149.04, 18,918,543,733.38 and 8,631,418,854.86 is: 11,915,260,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704,599,149.04 : 18,918,543,733.38 = 8,631,418,854.86 : x
  2. Step 2: Convert to fraction form
    13,704,599,149.04/18,918,543,733.38 = 8,631,418,854.86/x
  3. Step 3: Cross multiply
    13,704,599,149.04x = 18,918,543,733.38 × 8,631,418,854.86
  4. Step 4: Simplify right side
    13,704,599,149.04x = 163,293,875,086,789,640,192
  5. Step 5: Solve for x
    x = 163,293,875,086,789,640,192/13,704,599,149.04
  6. Step 6: Final answer
    x = 11,915,260,950.79

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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.