Home / 291,609,853.60-437,414,780.40-189,489,200.80

Finding the Fourth Proportional to 291,609,853.60, 437,414,780.40 and 189,489,200.80

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Solution

The fourth proportional to 291,609,853.60, 437,414,780.40 and 189,489,200.80 is: 284,233,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,609,853.60 : 437,414,780.40 = 189,489,200.80 : x
  2. Step 2: Convert to fraction form
    291,609,853.60/437,414,780.40 = 189,489,200.80/x
  3. Step 3: Cross multiply
    291,609,853.60x = 437,414,780.40 × 189,489,200.80
  4. Step 4: Simplify right side
    291,609,853.60x = 82,885,377,156,103,504
  5. Step 5: Solve for x
    x = 82,885,377,156,103,504/291,609,853.60
  6. Step 6: Final answer
    x = 284,233,801.20

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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.