Home / 478,273,803,273.54-660,017,904,478.89-261,500,144,659.80

Finding the Fourth Proportional to 478,273,803,273.54, 660,017,904,478.89 and 261,500,144,659.80

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Solution

The fourth proportional to 478,273,803,273.54, 660,017,904,478.89 and 261,500,144,659.80 is: 360,870,230,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,273,803,273.54 : 660,017,904,478.89 = 261,500,144,659.80 : x
  2. Step 2: Convert to fraction form
    478,273,803,273.54/660,017,904,478.89 = 261,500,144,659.80/x
  3. Step 3: Cross multiply
    478,273,803,273.54x = 660,017,904,478.89 × 261,500,144,659.80
  4. Step 4: Simplify right side
    478,273,803,273.54x = 172,594,777,499,287,800,512,512
  5. Step 5: Solve for x
    x = 172,594,777,499,287,800,512,512/478,273,803,273.54
  6. Step 6: Final answer
    x = 360,870,230,227.88

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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.