Home / 263,478,943,789.39-363,467,126,260.53-172,080,994,766.88

Finding the Fourth Proportional to 263,478,943,789.39, 363,467,126,260.53 and 172,080,994,766.88

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Solution

The fourth proportional to 263,478,943,789.39, 363,467,126,260.53 and 172,080,994,766.88 is: 237,384,375,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,478,943,789.39 : 363,467,126,260.53 = 172,080,994,766.88 : x
  2. Step 2: Convert to fraction form
    263,478,943,789.39/363,467,126,260.53 = 172,080,994,766.88/x
  3. Step 3: Cross multiply
    263,478,943,789.39x = 363,467,126,260.53 × 172,080,994,766.88
  4. Step 4: Simplify right side
    263,478,943,789.39x = 62,545,784,651,971,186,130,944
  5. Step 5: Solve for x
    x = 62,545,784,651,971,186,130,944/263,478,943,789.39
  6. Step 6: Final answer
    x = 237,384,375,967.31

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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.