Home / 874,152,023.20-1,311,197,708.40-219,108,781.60

Finding the Fourth Proportional to 874,152,023.20, 1,311,197,708.40 and 219,108,781.60

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Solution

The fourth proportional to 874,152,023.20, 1,311,197,708.40 and 219,108,781.60 is: 328,655,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,152,023.20 : 1,311,197,708.40 = 219,108,781.60 : x
  2. Step 2: Convert to fraction form
    874,152,023.20/1,311,197,708.40 = 219,108,781.60/x
  3. Step 3: Cross multiply
    874,152,023.20x = 1,311,197,708.40 × 219,108,781.60
  4. Step 4: Simplify right side
    874,152,023.20x = 287,294,932,324,236,096
  5. Step 5: Solve for x
    x = 287,294,932,324,236,096/874,152,023.20
  6. Step 6: Final answer
    x = 328,655,571.00

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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.