Home / 491,640,331.20-737,366,018.40-146,605,214.40

Finding the Fourth Proportional to 491,640,331.20, 737,366,018.40 and 146,605,214.40

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Solution

The fourth proportional to 491,640,331.20, 737,366,018.40 and 146,605,214.40 is: 219,879,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,640,331.20 : 737,366,018.40 = 146,605,214.40 : x
  2. Step 2: Convert to fraction form
    491,640,331.20/737,366,018.40 = 146,605,214.40/x
  3. Step 3: Cross multiply
    491,640,331.20x = 737,366,018.40 × 146,605,214.40
  4. Step 4: Simplify right side
    491,640,331.20x = 108,101,703,218,806,352
  5. Step 5: Solve for x
    x = 108,101,703,218,806,352/491,640,331.20
  6. Step 6: Final answer
    x = 219,879,648.51

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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.