Home / 722,326,281.60-1,083,489,422.40-177,067,815.60

Finding the Fourth Proportional to 722,326,281.60, 1,083,489,422.40 and 177,067,815.60

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Solution

The fourth proportional to 722,326,281.60, 1,083,489,422.40 and 177,067,815.60 is: 265,601,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,326,281.60 : 1,083,489,422.40 = 177,067,815.60 : x
  2. Step 2: Convert to fraction form
    722,326,281.60/1,083,489,422.40 = 177,067,815.60/x
  3. Step 3: Cross multiply
    722,326,281.60x = 1,083,489,422.40 × 177,067,815.60
  4. Step 4: Simplify right side
    722,326,281.60x = 191,851,105,250,073,728
  5. Step 5: Solve for x
    x = 191,851,105,250,073,728/722,326,281.60
  6. Step 6: Final answer
    x = 265,601,723.40

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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.