Home / 402,381,539.36-603,806,536.78-169,195,376.24

Finding the Fourth Proportional to 402,381,539.36, 603,806,536.78 and 169,195,376.24

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Solution

The fourth proportional to 402,381,539.36, 603,806,536.78 and 169,195,376.24 is: 253,891,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,381,539.36 : 603,806,536.78 = 169,195,376.24 : x
  2. Step 2: Convert to fraction form
    402,381,539.36/603,806,536.78 = 169,195,376.24/x
  3. Step 3: Cross multiply
    402,381,539.36x = 603,806,536.78 × 169,195,376.24
  4. Step 4: Simplify right side
    402,381,539.36x = 102,161,274,166,663,504
  5. Step 5: Solve for x
    x = 102,161,274,166,663,504/402,381,539.36
  6. Step 6: Final answer
    x = 253,891,553.60

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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.