Home / 193,620,883.20-290,431,324.80-192,487,142.40

Finding the Fourth Proportional to 193,620,883.20, 290,431,324.80 and 192,487,142.40

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Solution

The fourth proportional to 193,620,883.20, 290,431,324.80 and 192,487,142.40 is: 288,730,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,620,883.20 : 290,431,324.80 = 192,487,142.40 : x
  2. Step 2: Convert to fraction form
    193,620,883.20/290,431,324.80 = 192,487,142.40/x
  3. Step 3: Cross multiply
    193,620,883.20x = 290,431,324.80 × 192,487,142.40
  4. Step 4: Simplify right side
    193,620,883.20x = 55,904,295,774,198,256
  5. Step 5: Solve for x
    x = 55,904,295,774,198,256/193,620,883.20
  6. Step 6: Final answer
    x = 288,730,713.60

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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.