Home / 263,478,943,791.77-363,467,126,263.77-172,080,994,769.22

Finding the Fourth Proportional to 263,478,943,791.77, 363,467,126,263.77 and 172,080,994,769.22

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Solution

The fourth proportional to 263,478,943,791.77, 363,467,126,263.77 and 172,080,994,769.22 is: 237,384,375,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,478,943,791.77 : 363,467,126,263.77 = 172,080,994,769.22 : x
  2. Step 2: Convert to fraction form
    263,478,943,791.77/363,467,126,263.77 = 172,080,994,769.22/x
  3. Step 3: Cross multiply
    263,478,943,791.77x = 363,467,126,263.77 × 172,080,994,769.22
  4. Step 4: Simplify right side
    263,478,943,791.77x = 62,545,784,653,379,230,760,960
  5. Step 5: Solve for x
    x = 62,545,784,653,379,230,760,960/263,478,943,791.77
  6. Step 6: Final answer
    x = 237,384,375,970.51

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1.5x scale

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.