Home / 825,652,132.76-1,139,400,129.20-454,374,164.14

Finding the Fourth Proportional to 825,652,132.76, 1,139,400,129.20 and 454,374,164.14

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Solution

The fourth proportional to 825,652,132.76, 1,139,400,129.20 and 454,374,164.14 is: 627,036,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,652,132.76 : 1,139,400,129.20 = 454,374,164.14 : x
  2. Step 2: Convert to fraction form
    825,652,132.76/1,139,400,129.20 = 454,374,164.14/x
  3. Step 3: Cross multiply
    825,652,132.76x = 1,139,400,129.20 × 454,374,164.14
  4. Step 4: Simplify right side
    825,652,132.76x = 517,713,981,322,864,256
  5. Step 5: Solve for x
    x = 517,713,981,322,864,256/825,652,132.76
  6. Step 6: Final answer
    x = 627,036,448.86

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.