Home / 627,130,844.76-940,635,439.32-190,435,306.68

Finding the Fourth Proportional to 627,130,844.76, 940,635,439.32 and 190,435,306.68

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Solution

The fourth proportional to 627,130,844.76, 940,635,439.32 and 190,435,306.68 is: 285,634,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,130,844.76 : 940,635,439.32 = 190,435,306.68 : x
  2. Step 2: Convert to fraction form
    627,130,844.76/940,635,439.32 = 190,435,306.68/x
  3. Step 3: Cross multiply
    627,130,844.76x = 940,635,439.32 × 190,435,306.68
  4. Step 4: Simplify right side
    627,130,844.76x = 179,130,198,360,980,736
  5. Step 5: Solve for x
    x = 179,130,198,360,980,736/627,130,844.76
  6. Step 6: Final answer
    x = 285,634,488.97

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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.