Home / 1,008,655,259.80-1,512,982,889.70-354,345,100.60

Finding the Fourth Proportional to 1,008,655,259.80, 1,512,982,889.70 and 354,345,100.60

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Solution

The fourth proportional to 1,008,655,259.80, 1,512,982,889.70 and 354,345,100.60 is: 531,517,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,655,259.80 : 1,512,982,889.70 = 354,345,100.60 : x
  2. Step 2: Convert to fraction form
    1,008,655,259.80/1,512,982,889.70 = 354,345,100.60/x
  3. Step 3: Cross multiply
    1,008,655,259.80x = 1,512,982,889.70 × 354,345,100.60
  4. Step 4: Simplify right side
    1,008,655,259.80x = 536,118,074,256,825,280
  5. Step 5: Solve for x
    x = 536,118,074,256,825,280/1,008,655,259.80
  6. Step 6: Final answer
    x = 531,517,650.90

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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.