Home / 3,564,171,781.92-4,918,158,148.56-1,978,330,580.32

Finding the Fourth Proportional to 3,564,171,781.92, 4,918,158,148.56 and 1,978,330,580.32

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Solution

The fourth proportional to 3,564,171,781.92, 4,918,158,148.56 and 1,978,330,580.32 is: 2,729,874,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564,171,781.92 : 4,918,158,148.56 = 1,978,330,580.32 : x
  2. Step 2: Convert to fraction form
    3,564,171,781.92/4,918,158,148.56 = 1,978,330,580.32/x
  3. Step 3: Cross multiply
    3,564,171,781.92x = 4,918,158,148.56 × 1,978,330,580.32
  4. Step 4: Simplify right side
    3,564,171,781.92x = 9,729,742,664,146,241,536
  5. Step 5: Solve for x
    x = 9,729,742,664,146,241,536/3,564,171,781.92
  6. Step 6: Final answer
    x = 2,729,874,781.43

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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.