Home / 402,678,359.90-603,625,805.65-192,534,436.46

Finding the Fourth Proportional to 402,678,359.90, 603,625,805.65 and 192,534,436.46

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Solution

The fourth proportional to 402,678,359.90, 603,625,805.65 and 192,534,436.46 is: 288,614,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,678,359.90 : 603,625,805.65 = 192,534,436.46 : x
  2. Step 2: Convert to fraction form
    402,678,359.90/603,625,805.65 = 192,534,436.46/x
  3. Step 3: Cross multiply
    402,678,359.90x = 603,625,805.65 × 192,534,436.46
  4. Step 4: Simplify right side
    402,678,359.90x = 116,218,754,324,563,968
  5. Step 5: Solve for x
    x = 116,218,754,324,563,968/402,678,359.90
  6. Step 6: Final answer
    x = 288,614,353.04

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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.