Home / 2,645,891,553.76-3,968,837,329.27-987,928,317.23

Finding the Fourth Proportional to 2,645,891,553.76, 3,968,837,329.27 and 987,928,317.23

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Solution

The fourth proportional to 2,645,891,553.76, 3,968,837,329.27 and 987,928,317.23 is: 1,481,892,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,891,553.76 : 3,968,837,329.27 = 987,928,317.23 : x
  2. Step 2: Convert to fraction form
    2,645,891,553.76/3,968,837,329.27 = 987,928,317.23/x
  3. Step 3: Cross multiply
    2,645,891,553.76x = 3,968,837,329.27 × 987,928,317.23
  4. Step 4: Simplify right side
    2,645,891,553.76x = 3,920,926,784,065,318,400
  5. Step 5: Solve for x
    x = 3,920,926,784,065,318,400/2,645,891,553.76
  6. Step 6: Final answer
    x = 1,481,892,475.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.