Home / 326,127,981.28-488,574,735.45-192,781,618.78

Finding the Fourth Proportional to 326,127,981.28, 488,574,735.45 and 192,781,618.78

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Solution

The fourth proportional to 326,127,981.28, 488,574,735.45 and 192,781,618.78 is: 288,807,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,127,981.28 : 488,574,735.45 = 192,781,618.78 : x
  2. Step 2: Convert to fraction form
    326,127,981.28/488,574,735.45 = 192,781,618.78/x
  3. Step 3: Cross multiply
    326,127,981.28x = 488,574,735.45 × 192,781,618.78
  4. Step 4: Simplify right side
    326,127,981.28x = 94,188,228,395,061,248
  5. Step 5: Solve for x
    x = 94,188,228,395,061,248/326,127,981.28
  6. Step 6: Final answer
    x = 288,807,565.75

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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.