Home / 1,120,157,645.60-1,680,236,468.40-969,162,701.60

Finding the Fourth Proportional to 1,120,157,645.60, 1,680,236,468.40 and 969,162,701.60

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Solution

The fourth proportional to 1,120,157,645.60, 1,680,236,468.40 and 969,162,701.60 is: 1,453,744,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,157,645.60 : 1,680,236,468.40 = 969,162,701.60 : x
  2. Step 2: Convert to fraction form
    1,120,157,645.60/1,680,236,468.40 = 969,162,701.60/x
  3. Step 3: Cross multiply
    1,120,157,645.60x = 1,680,236,468.40 × 969,162,701.60
  4. Step 4: Simplify right side
    1,120,157,645.60x = 1,628,422,515,041,387,264
  5. Step 5: Solve for x
    x = 1,628,422,515,041,387,264/1,120,157,645.60
  6. Step 6: Final answer
    x = 1,453,744,052.40

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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.