Home / 9,049,514,935.91-12,488,134,532.09-5,239,198,439.51

Finding the Fourth Proportional to 9,049,514,935.91, 12,488,134,532.09 and 5,239,198,439.51

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Solution

The fourth proportional to 9,049,514,935.91, 12,488,134,532.09 and 5,239,198,439.51 is: 7,229,980,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049,514,935.91 : 12,488,134,532.09 = 5,239,198,439.51 : x
  2. Step 2: Convert to fraction form
    9,049,514,935.91/12,488,134,532.09 = 5,239,198,439.51/x
  3. Step 3: Cross multiply
    9,049,514,935.91x = 12,488,134,532.09 × 5,239,198,439.51
  4. Step 4: Simplify right side
    9,049,514,935.91x = 65,427,814,952,828,231,680
  5. Step 5: Solve for x
    x = 65,427,814,952,828,231,680/9,049,514,935.91
  6. Step 6: Final answer
    x = 7,229,980,326.71

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1.5x scale

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.