Home / 326,127,980.78-488,574,734.70-192,781,618.28

Finding the Fourth Proportional to 326,127,980.78, 488,574,734.70 and 192,781,618.28

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Solution

The fourth proportional to 326,127,980.78, 488,574,734.70 and 192,781,618.28 is: 288,807,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,127,980.78 : 488,574,734.70 = 192,781,618.28 : x
  2. Step 2: Convert to fraction form
    326,127,980.78/488,574,734.70 = 192,781,618.28/x
  3. Step 3: Cross multiply
    326,127,980.78x = 488,574,734.70 × 192,781,618.28
  4. Step 4: Simplify right side
    326,127,980.78x = 94,188,228,006,187,664
  5. Step 5: Solve for x
    x = 94,188,228,006,187,664/326,127,980.78
  6. Step 6: Final answer
    x = 288,807,565.00

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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.