Home / 646,534,086.40-969,801,129.60-596,649,491.20

Finding the Fourth Proportional to 646,534,086.40, 969,801,129.60 and 596,649,491.20

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Solution

The fourth proportional to 646,534,086.40, 969,801,129.60 and 596,649,491.20 is: 894,974,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,534,086.40 : 969,801,129.60 = 596,649,491.20 : x
  2. Step 2: Convert to fraction form
    646,534,086.40/969,801,129.60 = 596,649,491.20/x
  3. Step 3: Cross multiply
    646,534,086.40x = 969,801,129.60 × 596,649,491.20
  4. Step 4: Simplify right side
    646,534,086.40x = 578,631,350,541,025,280
  5. Step 5: Solve for x
    x = 578,631,350,541,025,280/646,534,086.40
  6. Step 6: Final answer
    x = 894,974,236.80

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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.