Home / 765,257,267.84-1,147,202,335.24-298,810,173.76

Finding the Fourth Proportional to 765,257,267.84, 1,147,202,335.24 and 298,810,173.76

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Solution

The fourth proportional to 765,257,267.84, 1,147,202,335.24 and 298,810,173.76 is: 447,948,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,257,267.84 : 1,147,202,335.24 = 298,810,173.76 : x
  2. Step 2: Convert to fraction form
    765,257,267.84/1,147,202,335.24 = 298,810,173.76/x
  3. Step 3: Cross multiply
    765,257,267.84x = 1,147,202,335.24 × 298,810,173.76
  4. Step 4: Simplify right side
    765,257,267.84x = 342,795,729,130,942,144
  5. Step 5: Solve for x
    x = 342,795,729,130,942,144/765,257,267.84
  6. Step 6: Final answer
    x = 447,948,348.27

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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.