Home / 263,478,943,792.77-363,467,126,265.15-172,080,994,770.22

Finding the Fourth Proportional to 263,478,943,792.77, 363,467,126,265.15 and 172,080,994,770.22

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Solution

The fourth proportional to 263,478,943,792.77, 363,467,126,265.15 and 172,080,994,770.22 is: 237,384,375,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,478,943,792.77 : 363,467,126,265.15 = 172,080,994,770.22 : x
  2. Step 2: Convert to fraction form
    263,478,943,792.77/363,467,126,265.15 = 172,080,994,770.22/x
  3. Step 3: Cross multiply
    263,478,943,792.77x = 363,467,126,265.15 × 172,080,994,770.22
  4. Step 4: Simplify right side
    263,478,943,792.77x = 62,545,784,653,980,173,860,864
  5. Step 5: Solve for x
    x = 62,545,784,653,980,173,860,864/263,478,943,792.77
  6. Step 6: Final answer
    x = 237,384,375,971.89

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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.