Home / 1,181,099,780.69-1,629,967,218.75-679,308,704.19

Finding the Fourth Proportional to 1,181,099,780.69, 1,629,967,218.75 and 679,308,704.19

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Solution

The fourth proportional to 1,181,099,780.69, 1,629,967,218.75 and 679,308,704.19 is: 937,474,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,099,780.69 : 1,629,967,218.75 = 679,308,704.19 : x
  2. Step 2: Convert to fraction form
    1,181,099,780.69/1,629,967,218.75 = 679,308,704.19/x
  3. Step 3: Cross multiply
    1,181,099,780.69x = 1,629,967,218.75 × 679,308,704.19
  4. Step 4: Simplify right side
    1,181,099,780.69x = 1,107,250,919,241,240,832
  5. Step 5: Solve for x
    x = 1,107,250,919,241,240,832/1,181,099,780.69
  6. Step 6: Final answer
    x = 937,474,493.98

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Double scale
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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.