Home / 436,617,401.20-654,926,101.80-419,398,712.80

Finding the Fourth Proportional to 436,617,401.20, 654,926,101.80 and 419,398,712.80

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Solution

The fourth proportional to 436,617,401.20, 654,926,101.80 and 419,398,712.80 is: 629,098,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,617,401.20 : 654,926,101.80 = 419,398,712.80 : x
  2. Step 2: Convert to fraction form
    436,617,401.20/654,926,101.80 = 419,398,712.80/x
  3. Step 3: Cross multiply
    436,617,401.20x = 654,926,101.80 × 419,398,712.80
  4. Step 4: Simplify right side
    436,617,401.20x = 274,675,164,074,041,760
  5. Step 5: Solve for x
    x = 274,675,164,074,041,760/436,617,401.20
  6. Step 6: Final answer
    x = 629,098,069.20

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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.