Home / 361,991,965,600.44-499,609,701,191.52-209,839,969,550.52

Finding the Fourth Proportional to 361,991,965,600.44, 499,609,701,191.52 and 209,839,969,550.52

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Solution

The fourth proportional to 361,991,965,600.44, 499,609,701,191.52 and 209,839,969,550.52 is: 289,614,396,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,991,965,600.44 : 499,609,701,191.52 = 209,839,969,550.52 : x
  2. Step 2: Convert to fraction form
    361,991,965,600.44/499,609,701,191.52 = 209,839,969,550.52/x
  3. Step 3: Cross multiply
    361,991,965,600.44x = 499,609,701,191.52 × 209,839,969,550.52
  4. Step 4: Simplify right side
    361,991,965,600.44x = 104,838,084,485,172,953,088,000
  5. Step 5: Solve for x
    x = 104,838,084,485,172,953,088,000/361,991,965,600.44
  6. Step 6: Final answer
    x = 289,614,396,030.25

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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.