Home / 436,081,172.40-653,786,487.18-225,766,400.76

Finding the Fourth Proportional to 436,081,172.40, 653,786,487.18 and 225,766,400.76

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Solution

The fourth proportional to 436,081,172.40, 653,786,487.18 and 225,766,400.76 is: 338,476,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,081,172.40 : 653,786,487.18 = 225,766,400.76 : x
  2. Step 2: Convert to fraction form
    436,081,172.40/653,786,487.18 = 225,766,400.76/x
  3. Step 3: Cross multiply
    436,081,172.40x = 653,786,487.18 × 225,766,400.76
  4. Step 4: Simplify right side
    436,081,172.40x = 147,603,022,076,152,480
  5. Step 5: Solve for x
    x = 147,603,022,076,152,480/436,081,172.40
  6. Step 6: Final answer
    x = 338,476,025.61

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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.