Home / 526,449,691,459.27-789,123,389,827.20-220,314,869,931.42

Finding the Fourth Proportional to 526,449,691,459.27, 789,123,389,827.20 and 220,314,869,931.42

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Solution

The fourth proportional to 526,449,691,459.27, 789,123,389,827.20 and 220,314,869,931.42 is: 330,241,654,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,449,691,459.27 : 789,123,389,827.20 = 220,314,869,931.42 : x
  2. Step 2: Convert to fraction form
    526,449,691,459.27/789,123,389,827.20 = 220,314,869,931.42/x
  3. Step 3: Cross multiply
    526,449,691,459.27x = 789,123,389,827.20 × 220,314,869,931.42
  4. Step 4: Simplify right side
    526,449,691,459.27x = 173,855,616,989,620,816,838,656
  5. Step 5: Solve for x
    x = 173,855,616,989,620,816,838,656/526,449,691,459.27
  6. Step 6: Final answer
    x = 330,241,654,255.15

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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.