Home / 898,149,914.10-1,347,224,871.15-509,822,694.90

Finding the Fourth Proportional to 898,149,914.10, 1,347,224,871.15 and 509,822,694.90

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Solution

The fourth proportional to 898,149,914.10, 1,347,224,871.15 and 509,822,694.90 is: 764,734,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,149,914.10 : 1,347,224,871.15 = 509,822,694.90 : x
  2. Step 2: Convert to fraction form
    898,149,914.10/1,347,224,871.15 = 509,822,694.90/x
  3. Step 3: Cross multiply
    898,149,914.10x = 1,347,224,871.15 × 509,822,694.90
  4. Step 4: Simplify right side
    898,149,914.10x = 686,845,814,445,998,336
  5. Step 5: Solve for x
    x = 686,845,814,445,998,336/898,149,914.10
  6. Step 6: Final answer
    x = 764,734,042.35

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Half scale
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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.