Home / 347,754,920.80-521,632,381.20-225,310,914.40

Finding the Fourth Proportional to 347,754,920.80, 521,632,381.20 and 225,310,914.40

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Solution

The fourth proportional to 347,754,920.80, 521,632,381.20 and 225,310,914.40 is: 337,966,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,754,920.80 : 521,632,381.20 = 225,310,914.40 : x
  2. Step 2: Convert to fraction form
    347,754,920.80/521,632,381.20 = 225,310,914.40/x
  3. Step 3: Cross multiply
    347,754,920.80x = 521,632,381.20 × 225,310,914.40
  4. Step 4: Simplify right side
    347,754,920.80x = 117,529,468,788,821,376
  5. Step 5: Solve for x
    x = 117,529,468,788,821,376/347,754,920.80
  6. Step 6: Final answer
    x = 337,966,371.60

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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.