Home / 442,348,089,122.53-663,552,098,248.95-155,471,268,100.05

Finding the Fourth Proportional to 442,348,089,122.53, 663,552,098,248.95 and 155,471,268,100.05

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Solution

The fourth proportional to 442,348,089,122.53, 663,552,098,248.95 and 155,471,268,100.05 is: 233,217,433,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,348,089,122.53 : 663,552,098,248.95 = 155,471,268,100.05 : x
  2. Step 2: Convert to fraction form
    442,348,089,122.53/663,552,098,248.95 = 155,471,268,100.05/x
  3. Step 3: Cross multiply
    442,348,089,122.53x = 663,552,098,248.95 × 155,471,268,100.05
  4. Step 4: Simplify right side
    442,348,089,122.53x = 103,163,286,165,213,201,563,648
  5. Step 5: Solve for x
    x = 103,163,286,165,213,201,563,648/442,348,089,122.53
  6. Step 6: Final answer
    x = 233,217,433,740.60

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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.