Home / 21,279,822,969,330-31,916,509,306,772-5,791,564,955,689.20

Finding the Fourth Proportional to 21,279,822,969,330, 31,916,509,306,772 and 5,791,564,955,689.20

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Solution

The fourth proportional to 21,279,822,969,330, 31,916,509,306,772 and 5,791,564,955,689.20 is: 8,686,469,670,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,279,822,969,330 : 31,916,509,306,772 = 5,791,564,955,689.20 : x
  2. Step 2: Convert to fraction form
    21,279,822,969,330/31,916,509,306,772 = 5,791,564,955,689.20/x
  3. Step 3: Cross multiply
    21,279,822,969,330x = 31,916,509,306,772 × 5,791,564,955,689.20
  4. Step 4: Simplify right side
    21,279,822,969,330x = 184,846,536,809,028,936,848,637,952
  5. Step 5: Solve for x
    x = 184,846,536,809,028,936,848,637,952/21,279,822,969,330
  6. Step 6: Final answer
    x = 8,686,469,670,139.78

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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.