Home / 765,257,263.84-1,147,202,329.26-298,810,169.74

Finding the Fourth Proportional to 765,257,263.84, 1,147,202,329.26 and 298,810,169.74

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Solution

The fourth proportional to 765,257,263.84, 1,147,202,329.26 and 298,810,169.74 is: 447,948,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,257,263.84 : 1,147,202,329.26 = 298,810,169.74 : x
  2. Step 2: Convert to fraction form
    765,257,263.84/1,147,202,329.26 = 298,810,169.74/x
  3. Step 3: Cross multiply
    765,257,263.84x = 1,147,202,329.26 × 298,810,169.74
  4. Step 4: Simplify right side
    765,257,263.84x = 342,795,722,732,304,000
  5. Step 5: Solve for x
    x = 342,795,722,732,304,000/765,257,263.84
  6. Step 6: Final answer
    x = 447,948,342.25

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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.