Home / 38,869,039,294.97-53,639,472,578.08-21,722,178,757.74

Finding the Fourth Proportional to 38,869,039,294.97, 53,639,472,578.08 and 21,722,178,757.74

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Solution

The fourth proportional to 38,869,039,294.97, 53,639,472,578.08 and 21,722,178,757.74 is: 29,976,717,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869,039,294.97 : 53,639,472,578.08 = 21,722,178,757.74 : x
  2. Step 2: Convert to fraction form
    38,869,039,294.97/53,639,472,578.08 = 21,722,178,757.74/x
  3. Step 3: Cross multiply
    38,869,039,294.97x = 53,639,472,578.08 × 21,722,178,757.74
  4. Step 4: Simplify right side
    38,869,039,294.97x = 1,165,166,211,812,097,392,640
  5. Step 5: Solve for x
    x = 1,165,166,211,812,097,392,640/38,869,039,294.97
  6. Step 6: Final answer
    x = 29,976,717,535.26

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Double scale
Find fourth proportional to 38,869,039,295.97, 53,639,472,579.46 and 21,722,178,758.74
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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.