Home / 402,381,335.43-603,806,230.85-169,195,172.31

Finding the Fourth Proportional to 402,381,335.43, 603,806,230.85 and 169,195,172.31

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Solution

The fourth proportional to 402,381,335.43, 603,806,230.85 and 169,195,172.31 is: 253,891,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,381,335.43 : 603,806,230.85 = 169,195,172.31 : x
  2. Step 2: Convert to fraction form
    402,381,335.43/603,806,230.85 = 169,195,172.31/x
  3. Step 3: Cross multiply
    402,381,335.43x = 603,806,230.85 × 169,195,172.31
  4. Step 4: Simplify right side
    402,381,335.43x = 102,161,099,269,671,424
  5. Step 5: Solve for x
    x = 102,161,099,269,671,424/402,381,335.43
  6. Step 6: Final answer
    x = 253,891,247.62

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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.