Home / 825,652,132.94-1,139,400,129.44-454,374,164.32

Finding the Fourth Proportional to 825,652,132.94, 1,139,400,129.44 and 454,374,164.32

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Solution

The fourth proportional to 825,652,132.94, 1,139,400,129.44 and 454,374,164.32 is: 627,036,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,652,132.94 : 1,139,400,129.44 = 454,374,164.32 : x
  2. Step 2: Convert to fraction form
    825,652,132.94/1,139,400,129.44 = 454,374,164.32/x
  3. Step 3: Cross multiply
    825,652,132.94x = 1,139,400,129.44 × 454,374,164.32
  4. Step 4: Simplify right side
    825,652,132.94x = 517,713,981,638,687,296
  5. Step 5: Solve for x
    x = 517,713,981,638,687,296/825,652,132.94
  6. Step 6: Final answer
    x = 627,036,449.11

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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.