Home / 866,916,022,066.72-1,196,074,208,236.70-500,976,909,727.72

Finding the Fourth Proportional to 866,916,022,066.72, 1,196,074,208,236.70 and 500,976,909,727.72

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Solution

The fourth proportional to 866,916,022,066.72, 1,196,074,208,236.70 and 500,976,909,727.72 is: 691,192,163,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,916,022,066.72 : 1,196,074,208,236.70 = 500,976,909,727.72 : x
  2. Step 2: Convert to fraction form
    866,916,022,066.72/1,196,074,208,236.70 = 500,976,909,727.72/x
  3. Step 3: Cross multiply
    866,916,022,066.72x = 1,196,074,208,236.70 × 500,976,909,727.72
  4. Step 4: Simplify right side
    866,916,022,066.72x = 599,205,560,647,451,393,654,784
  5. Step 5: Solve for x
    x = 599,205,560,647,451,393,654,784/866,916,022,066.72
  6. Step 6: Final answer
    x = 691,192,163,248.93

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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.