Home / 442,348,089,128.02-663,552,098,257.20-155,471,268,105.55

Finding the Fourth Proportional to 442,348,089,128.02, 663,552,098,257.20 and 155,471,268,105.55

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Solution

The fourth proportional to 442,348,089,128.02, 663,552,098,257.20 and 155,471,268,105.55 is: 233,217,433,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,348,089,128.02 : 663,552,098,257.20 = 155,471,268,105.55 : x
  2. Step 2: Convert to fraction form
    442,348,089,128.02/663,552,098,257.20 = 155,471,268,105.55/x
  3. Step 3: Cross multiply
    442,348,089,128.02x = 663,552,098,257.20 × 155,471,268,105.55
  4. Step 4: Simplify right side
    442,348,089,128.02x = 103,163,286,170,145,384,300,544
  5. Step 5: Solve for x
    x = 103,163,286,170,145,384,300,544/442,348,089,128.02
  6. Step 6: Final answer
    x = 233,217,433,748.85

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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.