Home / 869,325,713.73-1,199,560,490.46-587,680,977.81

Finding the Fourth Proportional to 869,325,713.73, 1,199,560,490.46 and 587,680,977.81

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Solution

The fourth proportional to 869,325,713.73, 1,199,560,490.46 and 587,680,977.81 is: 810,926,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,325,713.73 : 1,199,560,490.46 = 587,680,977.81 : x
  2. Step 2: Convert to fraction form
    869,325,713.73/1,199,560,490.46 = 587,680,977.81/x
  3. Step 3: Cross multiply
    869,325,713.73x = 1,199,560,490.46 × 587,680,977.81
  4. Step 4: Simplify right side
    869,325,713.73x = 704,958,881,975,775,872
  5. Step 5: Solve for x
    x = 704,958,881,975,775,872/869,325,713.73
  6. Step 6: Final answer
    x = 810,926,067.00

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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.