Home / 646,704,619.20-970,056,928.80-237,707,625.60

Finding the Fourth Proportional to 646,704,619.20, 970,056,928.80 and 237,707,625.60

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Solution

The fourth proportional to 646,704,619.20, 970,056,928.80 and 237,707,625.60 is: 356,561,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,704,619.20 : 970,056,928.80 = 237,707,625.60 : x
  2. Step 2: Convert to fraction form
    646,704,619.20/970,056,928.80 = 237,707,625.60/x
  3. Step 3: Cross multiply
    646,704,619.20x = 970,056,928.80 × 237,707,625.60
  4. Step 4: Simplify right side
    646,704,619.20x = 230,589,929,241,876,256
  5. Step 5: Solve for x
    x = 230,589,929,241,876,256/646,704,619.20
  6. Step 6: Final answer
    x = 356,561,438.40

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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.