Home / 627,341,279.60-941,011,919.40-218,261,471.60

Finding the Fourth Proportional to 627,341,279.60, 941,011,919.40 and 218,261,471.60

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Solution

The fourth proportional to 627,341,279.60, 941,011,919.40 and 218,261,471.60 is: 327,392,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,341,279.60 : 941,011,919.40 = 218,261,471.60 : x
  2. Step 2: Convert to fraction form
    627,341,279.60/941,011,919.40 = 218,261,471.60/x
  3. Step 3: Cross multiply
    627,341,279.60x = 941,011,919.40 × 218,261,471.60
  4. Step 4: Simplify right side
    627,341,279.60x = 205,386,646,321,384,576
  5. Step 5: Solve for x
    x = 205,386,646,321,384,576/627,341,279.60
  6. Step 6: Final answer
    x = 327,392,207.40

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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.