Home / 681,621,855.57-1,021,392,295.83-404,727,797.61

Finding the Fourth Proportional to 681,621,855.57, 1,021,392,295.83 and 404,727,797.61

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Solution

The fourth proportional to 681,621,855.57, 1,021,392,295.83 and 404,727,797.61 is: 606,473,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,621,855.57 : 1,021,392,295.83 = 404,727,797.61 : x
  2. Step 2: Convert to fraction form
    681,621,855.57/1,021,392,295.83 = 404,727,797.61/x
  3. Step 3: Cross multiply
    681,621,855.57x = 1,021,392,295.83 × 404,727,797.61
  4. Step 4: Simplify right side
    681,621,855.57x = 413,385,854,387,097,536
  5. Step 5: Solve for x
    x = 413,385,854,387,097,536/681,621,855.57
  6. Step 6: Final answer
    x = 606,473,884.32

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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.