Home / 120,318,448,001.20-180,477,672,001.80-64,529,897,585.20

Finding the Fourth Proportional to 120,318,448,001.20, 180,477,672,001.80 and 64,529,897,585.20

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Solution

The fourth proportional to 120,318,448,001.20, 180,477,672,001.80 and 64,529,897,585.20 is: 96,794,846,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,318,448,001.20 : 180,477,672,001.80 = 64,529,897,585.20 : x
  2. Step 2: Convert to fraction form
    120,318,448,001.20/180,477,672,001.80 = 64,529,897,585.20/x
  3. Step 3: Cross multiply
    120,318,448,001.20x = 180,477,672,001.80 × 64,529,897,585.20
  4. Step 4: Simplify right side
    120,318,448,001.20x = 11,646,205,690,691,469,705,216
  5. Step 5: Solve for x
    x = 11,646,205,690,691,469,705,216/120,318,448,001.20
  6. Step 6: Final answer
    x = 96,794,846,377.80

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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.