Home / 456,192,014.40-684,288,021.60-149,494,132.80

Finding the Fourth Proportional to 456,192,014.40, 684,288,021.60 and 149,494,132.80

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Solution

The fourth proportional to 456,192,014.40, 684,288,021.60 and 149,494,132.80 is: 224,241,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,192,014.40 : 684,288,021.60 = 149,494,132.80 : x
  2. Step 2: Convert to fraction form
    456,192,014.40/684,288,021.60 = 149,494,132.80/x
  3. Step 3: Cross multiply
    456,192,014.40x = 684,288,021.60 × 149,494,132.80
  4. Step 4: Simplify right side
    456,192,014.40x = 102,297,044,374,519,680
  5. Step 5: Solve for x
    x = 102,297,044,374,519,680/456,192,014.40
  6. Step 6: Final answer
    x = 224,241,199.20

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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.