Home / 387,147,981.50-580,721,446.34-179,772,995.36

Finding the Fourth Proportional to 387,147,981.50, 580,721,446.34 and 179,772,995.36

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Solution

The fourth proportional to 387,147,981.50, 580,721,446.34 and 179,772,995.36 is: 269,659,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,147,981.50 : 580,721,446.34 = 179,772,995.36 : x
  2. Step 2: Convert to fraction form
    387,147,981.50/580,721,446.34 = 179,772,995.36/x
  3. Step 3: Cross multiply
    387,147,981.50x = 580,721,446.34 × 179,772,995.36
  4. Step 4: Simplify right side
    387,147,981.50x = 104,398,033,877,481,456
  5. Step 5: Solve for x
    x = 104,398,033,877,481,456/387,147,981.50
  6. Step 6: Final answer
    x = 269,659,248.83

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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.