Home / 707,218,633.20-1,061,306,246.70-396,325,648.20

Finding the Fourth Proportional to 707,218,633.20, 1,061,306,246.70 and 396,325,648.20

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Solution

The fourth proportional to 707,218,633.20, 1,061,306,246.70 and 396,325,648.20 is: 594,756,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,218,633.20 : 1,061,306,246.70 = 396,325,648.20 : x
  2. Step 2: Convert to fraction form
    707,218,633.20/1,061,306,246.70 = 396,325,648.20/x
  3. Step 3: Cross multiply
    707,218,633.20x = 1,061,306,246.70 × 396,325,648.20
  4. Step 4: Simplify right side
    707,218,633.20x = 420,622,886,162,086,592
  5. Step 5: Solve for x
    x = 420,622,886,162,086,592/707,218,633.20
  6. Step 6: Final answer
    x = 594,756,510.10

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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.