Home / 612,555,929.64-918,317,412.54-267,256,290.60

Finding the Fourth Proportional to 612,555,929.64, 918,317,412.54 and 267,256,290.60

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Solution

The fourth proportional to 612,555,929.64, 918,317,412.54 and 267,256,290.60 is: 400,659,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,555,929.64 : 918,317,412.54 = 267,256,290.60 : x
  2. Step 2: Convert to fraction form
    612,555,929.64/918,317,412.54 = 267,256,290.60/x
  3. Step 3: Cross multiply
    612,555,929.64x = 918,317,412.54 × 267,256,290.60
  4. Step 4: Simplify right side
    612,555,929.64x = 245,426,105,268,830,304
  5. Step 5: Solve for x
    x = 245,426,105,268,830,304/612,555,929.64
  6. Step 6: Final answer
    x = 400,659,096.41

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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.