Home / 717,410,704,926.31-990,026,856,740.43-392,250,217,005.70

Finding the Fourth Proportional to 717,410,704,926.31, 990,026,856,740.43 and 392,250,217,005.70

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Solution

The fourth proportional to 717,410,704,926.31, 990,026,856,740.43 and 392,250,217,005.70 is: 541,305,345,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,410,704,926.31 : 990,026,856,740.43 = 392,250,217,005.70 : x
  2. Step 2: Convert to fraction form
    717,410,704,926.31/990,026,856,740.43 = 392,250,217,005.70/x
  3. Step 3: Cross multiply
    717,410,704,926.31x = 990,026,856,740.43 × 392,250,217,005.70
  4. Step 4: Simplify right side
    717,410,704,926.31x = 388,338,249,397,904,735,207,424
  5. Step 5: Solve for x
    x = 388,338,249,397,904,735,207,424/717,410,704,926.31
  6. Step 6: Final answer
    x = 541,305,345,363.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.