Home / 379,243,072.60-568,633,661.70-148,936,226.20

Finding the Fourth Proportional to 379,243,072.60, 568,633,661.70 and 148,936,226.20

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Solution

The fourth proportional to 379,243,072.60, 568,633,661.70 and 148,936,226.20 is: 223,313,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,243,072.60 : 568,633,661.70 = 148,936,226.20 : x
  2. Step 2: Convert to fraction form
    379,243,072.60/568,633,661.70 = 148,936,226.20/x
  3. Step 3: Cross multiply
    379,243,072.60x = 568,633,661.70 × 148,936,226.20
  4. Step 4: Simplify right side
    379,243,072.60x = 84,690,151,663,885,472
  5. Step 5: Solve for x
    x = 84,690,151,663,885,472/379,243,072.60
  6. Step 6: Final answer
    x = 223,313,641.78

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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.