Home / 38,869,039,362.26-53,639,472,670.89-21,722,178,825.38

Finding the Fourth Proportional to 38,869,039,362.26, 53,639,472,670.89 and 21,722,178,825.38

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Solution

The fourth proportional to 38,869,039,362.26, 53,639,472,670.89 and 21,722,178,825.38 is: 29,976,717,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869,039,362.26 : 53,639,472,670.89 = 21,722,178,825.38 : x
  2. Step 2: Convert to fraction form
    38,869,039,362.26/53,639,472,670.89 = 21,722,178,825.38/x
  3. Step 3: Cross multiply
    38,869,039,362.26x = 53,639,472,670.89 × 21,722,178,825.38
  4. Step 4: Simplify right side
    38,869,039,362.26x = 1,165,166,217,456,176,332,800
  5. Step 5: Solve for x
    x = 1,165,166,217,456,176,332,800/38,869,039,362.26
  6. Step 6: Final answer
    x = 29,976,717,628.57

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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.