Home / 707,218,487.20-1,061,306,027.70-396,325,502.20

Finding the Fourth Proportional to 707,218,487.20, 1,061,306,027.70 and 396,325,502.20

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Solution

The fourth proportional to 707,218,487.20, 1,061,306,027.70 and 396,325,502.20 is: 594,756,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,218,487.20 : 1,061,306,027.70 = 396,325,502.20 : x
  2. Step 2: Convert to fraction form
    707,218,487.20/1,061,306,027.70 = 396,325,502.20/x
  3. Step 3: Cross multiply
    707,218,487.20x = 1,061,306,027.70 × 396,325,502.20
  4. Step 4: Simplify right side
    707,218,487.20x = 420,622,644,416,089,600
  5. Step 5: Solve for x
    x = 420,622,644,416,089,600/707,218,487.20
  6. Step 6: Final answer
    x = 594,756,291.06

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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.