Home / 1,120,157,648.60-1,680,236,472.90-969,162,704.60

Finding the Fourth Proportional to 1,120,157,648.60, 1,680,236,472.90 and 969,162,704.60

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Solution

The fourth proportional to 1,120,157,648.60, 1,680,236,472.90 and 969,162,704.60 is: 1,453,744,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,157,648.60 : 1,680,236,472.90 = 969,162,704.60 : x
  2. Step 2: Convert to fraction form
    1,120,157,648.60/1,680,236,472.90 = 969,162,704.60/x
  3. Step 3: Cross multiply
    1,120,157,648.60x = 1,680,236,472.90 × 969,162,704.60
  4. Step 4: Simplify right side
    1,120,157,648.60x = 1,628,422,524,443,328,768
  5. Step 5: Solve for x
    x = 1,628,422,524,443,328,768/1,120,157,648.60
  6. Step 6: Final answer
    x = 1,453,744,056.90

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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.