Home / 231,824,734.60-347,737,101.90-228,423,512.20

Finding the Fourth Proportional to 231,824,734.60, 347,737,101.90 and 228,423,512.20

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Solution

The fourth proportional to 231,824,734.60, 347,737,101.90 and 228,423,512.20 is: 342,635,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,824,734.60 : 347,737,101.90 = 228,423,512.20 : x
  2. Step 2: Convert to fraction form
    231,824,734.60/347,737,101.90 = 228,423,512.20/x
  3. Step 3: Cross multiply
    231,824,734.60x = 347,737,101.90 × 228,423,512.20
  4. Step 4: Simplify right side
    231,824,734.60x = 79,431,330,138,247,280
  5. Step 5: Solve for x
    x = 79,431,330,138,247,280/231,824,734.60
  6. Step 6: Final answer
    x = 342,635,268.30

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1.5x scale

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.