Home / 21,279,822,969,320-31,916,509,306,756-5,791,564,955,678

Finding the Fourth Proportional to 21,279,822,969,320, 31,916,509,306,756 and 5,791,564,955,678

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Solution

The fourth proportional to 21,279,822,969,320, 31,916,509,306,756 and 5,791,564,955,678 is: 8,686,469,670,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,279,822,969,320 : 31,916,509,306,756 = 5,791,564,955,678 : x
  2. Step 2: Convert to fraction form
    21,279,822,969,320/31,916,509,306,756 = 5,791,564,955,678/x
  3. Step 3: Cross multiply
    21,279,822,969,320x = 31,916,509,306,756 × 5,791,564,955,678
  4. Step 4: Simplify right side
    21,279,822,969,320x = 184,846,536,808,578,789,916,278,784
  5. Step 5: Solve for x
    x = 184,846,536,808,578,789,916,278,784/21,279,822,969,320
  6. Step 6: Final answer
    x = 8,686,469,670,122.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.