Home / 354,315,813.60-532,040,590.80-268,151,512.80

Finding the Fourth Proportional to 354,315,813.60, 532,040,590.80 and 268,151,512.80

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Solution

The fourth proportional to 354,315,813.60, 532,040,590.80 and 268,151,512.80 is: 402,656,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,315,813.60 : 532,040,590.80 = 268,151,512.80 : x
  2. Step 2: Convert to fraction form
    354,315,813.60/532,040,590.80 = 268,151,512.80/x
  3. Step 3: Cross multiply
    354,315,813.60x = 532,040,590.80 × 268,151,512.80
  4. Step 4: Simplify right side
    354,315,813.60x = 142,667,489,294,025,776
  5. Step 5: Solve for x
    x = 142,667,489,294,025,776/354,315,813.60
  6. Step 6: Final answer
    x = 402,656,285.21

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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.