Home / 387,147,983-580,721,448.59-179,772,996.86

Finding the Fourth Proportional to 387,147,983, 580,721,448.59 and 179,772,996.86

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Solution

The fourth proportional to 387,147,983, 580,721,448.59 and 179,772,996.86 is: 269,659,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,147,983 : 580,721,448.59 = 179,772,996.86 : x
  2. Step 2: Convert to fraction form
    387,147,983/580,721,448.59 = 179,772,996.86/x
  3. Step 3: Cross multiply
    387,147,983x = 580,721,448.59 × 179,772,996.86
  4. Step 4: Simplify right side
    387,147,983x = 104,398,035,153,904,736
  5. Step 5: Solve for x
    x = 104,398,035,153,904,736/387,147,983
  6. Step 6: Final answer
    x = 269,659,251.08

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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.