Home / 19,329,755,456.05-26,659,950,760.10-12,557,755,960.65

Finding the Fourth Proportional to 19,329,755,456.05, 26,659,950,760.10 and 12,557,755,960.65

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Solution

The fourth proportional to 19,329,755,456.05, 26,659,950,760.10 and 12,557,755,960.65 is: 17,319,885,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329,755,456.05 : 26,659,950,760.10 = 12,557,755,960.65 : x
  2. Step 2: Convert to fraction form
    19,329,755,456.05/26,659,950,760.10 = 12,557,755,960.65/x
  3. Step 3: Cross multiply
    19,329,755,456.05x = 26,659,950,760.10 × 12,557,755,960.65
  4. Step 4: Simplify right side
    19,329,755,456.05x = 334,789,155,568,318,939,136
  5. Step 5: Solve for x
    x = 334,789,155,568,318,939,136/19,329,755,456.05
  6. Step 6: Final answer
    x = 17,319,885,723.83

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Double scale
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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.