Home / 383,637,933.60-575,456,900.40-141,269,344.80

Finding the Fourth Proportional to 383,637,933.60, 575,456,900.40 and 141,269,344.80

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Solution

The fourth proportional to 383,637,933.60, 575,456,900.40 and 141,269,344.80 is: 211,904,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,637,933.60 : 575,456,900.40 = 141,269,344.80 : x
  2. Step 2: Convert to fraction form
    383,637,933.60/575,456,900.40 = 141,269,344.80/x
  3. Step 3: Cross multiply
    383,637,933.60x = 575,456,900.40 × 141,269,344.80
  4. Step 4: Simplify right side
    383,637,933.60x = 81,294,419,280,146,864
  5. Step 5: Solve for x
    x = 81,294,419,280,146,864/383,637,933.60
  6. Step 6: Final answer
    x = 211,904,017.20

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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.