Home / 38,869,039,360.83-53,639,472,668.90-21,722,178,823.95

Finding the Fourth Proportional to 38,869,039,360.83, 53,639,472,668.90 and 21,722,178,823.95

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Solution

The fourth proportional to 38,869,039,360.83, 53,639,472,668.90 and 21,722,178,823.95 is: 29,976,717,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869,039,360.83 : 53,639,472,668.90 = 21,722,178,823.95 : x
  2. Step 2: Convert to fraction form
    38,869,039,360.83/53,639,472,668.90 = 21,722,178,823.95/x
  3. Step 3: Cross multiply
    38,869,039,360.83x = 53,639,472,668.90 × 21,722,178,823.95
  4. Step 4: Simplify right side
    38,869,039,360.83x = 1,165,166,217,335,956,176,896
  5. Step 5: Solve for x
    x = 1,165,166,217,335,956,176,896/38,869,039,360.83
  6. Step 6: Final answer
    x = 29,976,717,626.58

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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.