Home / 752,646,266.70-1,128,969,400.05-558,936,022.20

Finding the Fourth Proportional to 752,646,266.70, 1,128,969,400.05 and 558,936,022.20

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Solution

The fourth proportional to 752,646,266.70, 1,128,969,400.05 and 558,936,022.20 is: 838,404,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,646,266.70 : 1,128,969,400.05 = 558,936,022.20 : x
  2. Step 2: Convert to fraction form
    752,646,266.70/1,128,969,400.05 = 558,936,022.20/x
  3. Step 3: Cross multiply
    752,646,266.70x = 1,128,969,400.05 × 558,936,022.20
  4. Step 4: Simplify right side
    752,646,266.70x = 631,021,665,649,467,520
  5. Step 5: Solve for x
    x = 631,021,665,649,467,520/752,646,266.70
  6. Step 6: Final answer
    x = 838,404,033.30

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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.