Home / 1,282,356,589.21-1,769,655,499.81-695,645,725.21

Finding the Fourth Proportional to 1,282,356,589.21, 1,769,655,499.81 and 695,645,725.21

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Solution

The fourth proportional to 1,282,356,589.21, 1,769,655,499.81 and 695,645,725.21 is: 959,992,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,356,589.21 : 1,769,655,499.81 = 695,645,725.21 : x
  2. Step 2: Convert to fraction form
    1,282,356,589.21/1,769,655,499.81 = 695,645,725.21/x
  3. Step 3: Cross multiply
    1,282,356,589.21x = 1,769,655,499.81 × 695,645,725.21
  4. Step 4: Simplify right side
    1,282,356,589.21x = 1,231,053,283,531,028,992
  5. Step 5: Solve for x
    x = 1,231,053,283,531,028,992/1,282,356,589.21
  6. Step 6: Final answer
    x = 959,992,948.83

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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.