Home / 627,027,112.48-865,303,724.28-344,784,439.84

Finding the Fourth Proportional to 627,027,112.48, 865,303,724.28 and 344,784,439.84

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Solution

The fourth proportional to 627,027,112.48, 865,303,724.28 and 344,784,439.84 is: 475,805,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,027,112.48 : 865,303,724.28 = 344,784,439.84 : x
  2. Step 2: Convert to fraction form
    627,027,112.48/865,303,724.28 = 344,784,439.84/x
  3. Step 3: Cross multiply
    627,027,112.48x = 865,303,724.28 × 344,784,439.84
  4. Step 4: Simplify right side
    627,027,112.48x = 298,343,259,867,345,600
  5. Step 5: Solve for x
    x = 298,343,259,867,345,600/627,027,112.48
  6. Step 6: Final answer
    x = 475,805,996.15

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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.