Home / 717,410,704,924.56-990,026,856,738-392,250,217,003.95

Finding the Fourth Proportional to 717,410,704,924.56, 990,026,856,738 and 392,250,217,003.95

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Solution

The fourth proportional to 717,410,704,924.56, 990,026,856,738 and 392,250,217,003.95 is: 541,305,345,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,410,704,924.56 : 990,026,856,738 = 392,250,217,003.95 : x
  2. Step 2: Convert to fraction form
    717,410,704,924.56/990,026,856,738 = 392,250,217,003.95/x
  3. Step 3: Cross multiply
    717,410,704,924.56x = 990,026,856,738 × 392,250,217,003.95
  4. Step 4: Simplify right side
    717,410,704,924.56x = 388,338,249,395,219,038,470,144
  5. Step 5: Solve for x
    x = 388,338,249,395,219,038,470,144/717,410,704,924.56
  6. Step 6: Final answer
    x = 541,305,345,361.49

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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.