Home / 707,218,697.70-1,061,306,343.45-396,325,712.70

Finding the Fourth Proportional to 707,218,697.70, 1,061,306,343.45 and 396,325,712.70

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Solution

The fourth proportional to 707,218,697.70, 1,061,306,343.45 and 396,325,712.70 is: 594,756,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,218,697.70 : 1,061,306,343.45 = 396,325,712.70 : x
  2. Step 2: Convert to fraction form
    707,218,697.70/1,061,306,343.45 = 396,325,712.70/x
  3. Step 3: Cross multiply
    707,218,697.70x = 1,061,306,343.45 × 396,325,712.70
  4. Step 4: Simplify right side
    707,218,697.70x = 420,622,992,960,852,224
  5. Step 5: Solve for x
    x = 420,622,992,960,852,224/707,218,697.70
  6. Step 6: Final answer
    x = 594,756,606.87

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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.