Home / 717,410,704,925.56-990,026,856,739.38-392,250,217,004.95

Finding the Fourth Proportional to 717,410,704,925.56, 990,026,856,739.38 and 392,250,217,004.95

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Solution

The fourth proportional to 717,410,704,925.56, 990,026,856,739.38 and 392,250,217,004.95 is: 541,305,345,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,410,704,925.56 : 990,026,856,739.38 = 392,250,217,004.95 : x
  2. Step 2: Convert to fraction form
    717,410,704,925.56/990,026,856,739.38 = 392,250,217,004.95/x
  3. Step 3: Cross multiply
    717,410,704,925.56x = 990,026,856,739.38 × 392,250,217,004.95
  4. Step 4: Simplify right side
    717,410,704,925.56x = 388,338,249,396,750,395,637,760
  5. Step 5: Solve for x
    x = 388,338,249,396,750,395,637,760/717,410,704,925.56
  6. Step 6: Final answer
    x = 541,305,345,362.87

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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.