Home / 639,002,898,464.40-958,504,347,696.60-453,250,805,792.40

Finding the Fourth Proportional to 639,002,898,464.40, 958,504,347,696.60 and 453,250,805,792.40

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Solution

The fourth proportional to 639,002,898,464.40, 958,504,347,696.60 and 453,250,805,792.40 is: 679,876,208,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,002,898,464.40 : 958,504,347,696.60 = 453,250,805,792.40 : x
  2. Step 2: Convert to fraction form
    639,002,898,464.40/958,504,347,696.60 = 453,250,805,792.40/x
  3. Step 3: Cross multiply
    639,002,898,464.40x = 958,504,347,696.60 × 453,250,805,792.40
  4. Step 4: Simplify right side
    639,002,898,464.40x = 434,442,867,949,002,716,872,704
  5. Step 5: Solve for x
    x = 434,442,867,949,002,716,872,704/639,002,898,464.40
  6. Step 6: Final answer
    x = 679,876,208,688.60

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Double scale
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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.