Home / 663,554,414.40-995,331,621.60-498,728,097.60

Finding the Fourth Proportional to 663,554,414.40, 995,331,621.60 and 498,728,097.60

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Solution

The fourth proportional to 663,554,414.40, 995,331,621.60 and 498,728,097.60 is: 748,092,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,554,414.40 : 995,331,621.60 = 498,728,097.60 : x
  2. Step 2: Convert to fraction form
    663,554,414.40/995,331,621.60 = 498,728,097.60/x
  3. Step 3: Cross multiply
    663,554,414.40x = 995,331,621.60 × 498,728,097.60
  4. Step 4: Simplify right side
    663,554,414.40x = 496,399,846,121,691,072
  5. Step 5: Solve for x
    x = 496,399,846,121,691,072/663,554,414.40
  6. Step 6: Final answer
    x = 748,092,146.40

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Double scale
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Similar ratio
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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.