Home / 13,856,832,002.10-20,785,248,003.15-12,877,279,950.90

Finding the Fourth Proportional to 13,856,832,002.10, 20,785,248,003.15 and 12,877,279,950.90

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Solution

The fourth proportional to 13,856,832,002.10, 20,785,248,003.15 and 12,877,279,950.90 is: 19,315,919,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,832,002.10 : 20,785,248,003.15 = 12,877,279,950.90 : x
  2. Step 2: Convert to fraction form
    13,856,832,002.10/20,785,248,003.15 = 12,877,279,950.90/x
  3. Step 3: Cross multiply
    13,856,832,002.10x = 20,785,248,003.15 × 12,877,279,950.90
  4. Step 4: Simplify right side
    13,856,832,002.10x = 267,657,457,385,447,751,680
  5. Step 5: Solve for x
    x = 267,657,457,385,447,751,680/13,856,832,002.10
  6. Step 6: Final answer
    x = 19,315,919,926.35

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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.