Home / 1,120,157,637.60-1,680,236,456.40-969,162,693.60

Finding the Fourth Proportional to 1,120,157,637.60, 1,680,236,456.40 and 969,162,693.60

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Solution

The fourth proportional to 1,120,157,637.60, 1,680,236,456.40 and 969,162,693.60 is: 1,453,744,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,157,637.60 : 1,680,236,456.40 = 969,162,693.60 : x
  2. Step 2: Convert to fraction form
    1,120,157,637.60/1,680,236,456.40 = 969,162,693.60/x
  3. Step 3: Cross multiply
    1,120,157,637.60x = 1,680,236,456.40 × 969,162,693.60
  4. Step 4: Simplify right side
    1,120,157,637.60x = 1,628,422,489,969,543,168
  5. Step 5: Solve for x
    x = 1,628,422,489,969,543,168/1,120,157,637.60
  6. Step 6: Final answer
    x = 1,453,744,040.40

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Double scale
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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.