Home / 1,008,651,199.70-1,512,976,799.55-969,909,150.80

Finding the Fourth Proportional to 1,008,651,199.70, 1,512,976,799.55 and 969,909,150.80

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Solution

The fourth proportional to 1,008,651,199.70, 1,512,976,799.55 and 969,909,150.80 is: 1,454,863,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,651,199.70 : 1,512,976,799.55 = 969,909,150.80 : x
  2. Step 2: Convert to fraction form
    1,008,651,199.70/1,512,976,799.55 = 969,909,150.80/x
  3. Step 3: Cross multiply
    1,008,651,199.70x = 1,512,976,799.55 × 969,909,150.80
  4. Step 4: Simplify right side
    1,008,651,199.70x = 1,467,450,042,831,642,112
  5. Step 5: Solve for x
    x = 1,467,450,042,831,642,112/1,008,651,199.70
  6. Step 6: Final answer
    x = 1,454,863,726.20

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Double scale
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Similar ratio
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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.