Home / 14,220,783,856.80-21,331,175,785.20-13,349,087,756.55

Finding the Fourth Proportional to 14,220,783,856.80, 21,331,175,785.20 and 13,349,087,756.55

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Solution

The fourth proportional to 14,220,783,856.80, 21,331,175,785.20 and 13,349,087,756.55 is: 20,023,631,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220,783,856.80 : 21,331,175,785.20 = 13,349,087,756.55 : x
  2. Step 2: Convert to fraction form
    14,220,783,856.80/21,331,175,785.20 = 13,349,087,756.55/x
  3. Step 3: Cross multiply
    14,220,783,856.80x = 21,331,175,785.20 × 13,349,087,756.55
  4. Step 4: Simplify right side
    14,220,783,856.80x = 284,751,737,507,029,155,840
  5. Step 5: Solve for x
    x = 284,751,737,507,029,155,840/14,220,783,856.80
  6. Step 6: Final answer
    x = 20,023,631,634.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.