Home / 707,218,506.20-1,061,306,056.20-396,325,521.20

Finding the Fourth Proportional to 707,218,506.20, 1,061,306,056.20 and 396,325,521.20

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Solution

The fourth proportional to 707,218,506.20, 1,061,306,056.20 and 396,325,521.20 is: 594,756,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,218,506.20 : 1,061,306,056.20 = 396,325,521.20 : x
  2. Step 2: Convert to fraction form
    707,218,506.20/1,061,306,056.20 = 396,325,521.20/x
  3. Step 3: Cross multiply
    707,218,506.20x = 1,061,306,056.20 × 396,325,521.20
  4. Step 4: Simplify right side
    707,218,506.20x = 420,622,675,876,181,504
  5. Step 5: Solve for x
    x = 420,622,675,876,181,504/707,218,506.20
  6. Step 6: Final answer
    x = 594,756,319.57

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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.