Home / 724,266,035.20-1,086,399,052.80-264,219,212.80

Finding the Fourth Proportional to 724,266,035.20, 1,086,399,052.80 and 264,219,212.80

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Solution

The fourth proportional to 724,266,035.20, 1,086,399,052.80 and 264,219,212.80 is: 396,328,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,266,035.20 : 1,086,399,052.80 = 264,219,212.80 : x
  2. Step 2: Convert to fraction form
    724,266,035.20/1,086,399,052.80 = 264,219,212.80/x
  3. Step 3: Cross multiply
    724,266,035.20x = 1,086,399,052.80 × 264,219,212.80
  4. Step 4: Simplify right side
    724,266,035.20x = 287,047,502,517,481,632
  5. Step 5: Solve for x
    x = 287,047,502,517,481,632/724,266,035.20
  6. Step 6: Final answer
    x = 396,328,819.20

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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.