Home / 627,348,807.60-941,023,211.40-218,268,999.60

Finding the Fourth Proportional to 627,348,807.60, 941,023,211.40 and 218,268,999.60

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Solution

The fourth proportional to 627,348,807.60, 941,023,211.40 and 218,268,999.60 is: 327,403,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,348,807.60 : 941,023,211.40 = 218,268,999.60 : x
  2. Step 2: Convert to fraction form
    627,348,807.60/941,023,211.40 = 218,268,999.60/x
  3. Step 3: Cross multiply
    627,348,807.60x = 941,023,211.40 × 218,268,999.60
  4. Step 4: Simplify right side
    627,348,807.60x = 205,396,194,952,657,312
  5. Step 5: Solve for x
    x = 205,396,194,952,657,312/627,348,807.60
  6. Step 6: Final answer
    x = 327,403,499.40

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Similar ratio
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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.