Home / 13,856,832,002.60-20,785,248,003.90-12,877,279,951.40

Finding the Fourth Proportional to 13,856,832,002.60, 20,785,248,003.90 and 12,877,279,951.40

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Solution

The fourth proportional to 13,856,832,002.60, 20,785,248,003.90 and 12,877,279,951.40 is: 19,315,919,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,832,002.60 : 20,785,248,003.90 = 12,877,279,951.40 : x
  2. Step 2: Convert to fraction form
    13,856,832,002.60/20,785,248,003.90 = 12,877,279,951.40/x
  3. Step 3: Cross multiply
    13,856,832,002.60x = 20,785,248,003.90 × 12,877,279,951.40
  4. Step 4: Simplify right side
    13,856,832,002.60x = 267,657,457,405,498,359,808
  5. Step 5: Solve for x
    x = 267,657,457,405,498,359,808/13,856,832,002.60
  6. Step 6: Final answer
    x = 19,315,919,927.10

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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.