Home / 402,541,604.70-603,712,679.82-172,484,601.18

Finding the Fourth Proportional to 402,541,604.70, 603,712,679.82 and 172,484,601.18

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Solution

The fourth proportional to 402,541,604.70, 603,712,679.82 and 172,484,601.18 is: 258,684,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,541,604.70 : 603,712,679.82 = 172,484,601.18 : x
  2. Step 2: Convert to fraction form
    402,541,604.70/603,712,679.82 = 172,484,601.18/x
  3. Step 3: Cross multiply
    402,541,604.70x = 603,712,679.82 × 172,484,601.18
  4. Step 4: Simplify right side
    402,541,604.70x = 104,131,140,806,061,744
  5. Step 5: Solve for x
    x = 104,131,140,806,061,744/402,541,604.70
  6. Step 6: Final answer
    x = 258,684,169.76

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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.