Home / 612,555,921.02-918,317,399.60-267,256,281.98

Finding the Fourth Proportional to 612,555,921.02, 918,317,399.60 and 267,256,281.98

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Solution

The fourth proportional to 612,555,921.02, 918,317,399.60 and 267,256,281.98 is: 400,659,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,555,921.02 : 918,317,399.60 = 267,256,281.98 : x
  2. Step 2: Convert to fraction form
    612,555,921.02/918,317,399.60 = 267,256,281.98/x
  3. Step 3: Cross multiply
    612,555,921.02x = 918,317,399.60 × 267,256,281.98
  4. Step 4: Simplify right side
    612,555,921.02x = 245,426,093,890,714,464
  5. Step 5: Solve for x
    x = 245,426,093,890,714,464/612,555,921.02
  6. Step 6: Final answer
    x = 400,659,083.47

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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.