Home / 984,105,579.76-1,357,840,459.16-587,551,544.56

Finding the Fourth Proportional to 984,105,579.76, 1,357,840,459.16 and 587,551,544.56

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Solution

The fourth proportional to 984,105,579.76, 1,357,840,459.16 and 587,551,544.56 is: 810,686,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,105,579.76 : 1,357,840,459.16 = 587,551,544.56 : x
  2. Step 2: Convert to fraction form
    984,105,579.76/1,357,840,459.16 = 587,551,544.56/x
  3. Step 3: Cross multiply
    984,105,579.76x = 1,357,840,459.16 × 587,551,544.56
  4. Step 4: Simplify right side
    984,105,579.76x = 797,801,259,045,517,568
  5. Step 5: Solve for x
    x = 797,801,259,045,517,568/984,105,579.76
  6. Step 6: Final answer
    x = 810,686,653.40

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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.