Home / 717,410,704,925.31-990,026,856,739.02-392,250,217,004.70

Finding the Fourth Proportional to 717,410,704,925.31, 990,026,856,739.02 and 392,250,217,004.70

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Solution

The fourth proportional to 717,410,704,925.31, 990,026,856,739.02 and 392,250,217,004.70 is: 541,305,345,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,410,704,925.31 : 990,026,856,739.02 = 392,250,217,004.70 : x
  2. Step 2: Convert to fraction form
    717,410,704,925.31/990,026,856,739.02 = 392,250,217,004.70/x
  3. Step 3: Cross multiply
    717,410,704,925.31x = 990,026,856,739.02 × 392,250,217,004.70
  4. Step 4: Simplify right side
    717,410,704,925.31x = 388,338,249,396,361,633,988,608
  5. Step 5: Solve for x
    x = 388,338,249,396,361,633,988,608/717,410,704,925.31
  6. Step 6: Final answer
    x = 541,305,345,362.52

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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.