Home / 5,117,104,389.27-7,061,969,472.91-2,828,187,358.71

Finding the Fourth Proportional to 5,117,104,389.27, 7,061,969,472.91 and 2,828,187,358.71

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Solution

The fourth proportional to 5,117,104,389.27, 7,061,969,472.91 and 2,828,187,358.71 is: 3,903,100,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117,104,389.27 : 7,061,969,472.91 = 2,828,187,358.71 : x
  2. Step 2: Convert to fraction form
    5,117,104,389.27/7,061,969,472.91 = 2,828,187,358.71/x
  3. Step 3: Cross multiply
    5,117,104,389.27x = 7,061,969,472.91 × 2,828,187,358.71
  4. Step 4: Simplify right side
    5,117,104,389.27x = 19,972,572,790,846,783,488
  5. Step 5: Solve for x
    x = 19,972,572,790,846,783,488/5,117,104,389.27
  6. Step 6: Final answer
    x = 3,903,100,517.69

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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.