Home / 27,940,564,615.19-38,557,783,020.06-15,253,300,280.57

Finding the Fourth Proportional to 27,940,564,615.19, 38,557,783,020.06 and 15,253,300,280.57

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Solution

The fourth proportional to 27,940,564,615.19, 38,557,783,020.06 and 15,253,300,280.57 is: 21,049,447,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940,564,615.19 : 38,557,783,020.06 = 15,253,300,280.57 : x
  2. Step 2: Convert to fraction form
    27,940,564,615.19/38,557,783,020.06 = 15,253,300,280.57/x
  3. Step 3: Cross multiply
    27,940,564,615.19x = 38,557,783,020.06 × 15,253,300,280.57
  4. Step 4: Simplify right side
    27,940,564,615.19x = 588,133,442,557,845,569,536
  5. Step 5: Solve for x
    x = 588,133,442,557,845,569,536/27,940,564,615.19
  6. Step 6: Final answer
    x = 21,049,447,305.66

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Double scale
Find fourth proportional to 27,940,564,616.19, 38,557,783,021.44 and 15,253,300,281.57
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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.