Home / 717,410,704,930.80-990,026,856,746.63-392,250,217,010.20

Finding the Fourth Proportional to 717,410,704,930.80, 990,026,856,746.63 and 392,250,217,010.20

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Solution

The fourth proportional to 717,410,704,930.80, 990,026,856,746.63 and 392,250,217,010.20 is: 541,305,345,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,410,704,930.80 : 990,026,856,746.63 = 392,250,217,010.20 : x
  2. Step 2: Convert to fraction form
    717,410,704,930.80/990,026,856,746.63 = 392,250,217,010.20/x
  3. Step 3: Cross multiply
    717,410,704,930.80x = 990,026,856,746.63 × 392,250,217,010.20
  4. Step 4: Simplify right side
    717,410,704,930.80x = 388,338,249,404,791,849,484,288
  5. Step 5: Solve for x
    x = 388,338,249,404,791,849,484,288/717,410,704,930.80
  6. Step 6: Final answer
    x = 541,305,345,370.13

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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.