Home / 765,059,321.84-1,147,585,165.94-298,768,122.96

Finding the Fourth Proportional to 765,059,321.84, 1,147,585,165.94 and 298,768,122.96

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Solution

The fourth proportional to 765,059,321.84, 1,147,585,165.94 and 298,768,122.96 is: 448,150,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,059,321.84 : 1,147,585,165.94 = 298,768,122.96 : x
  2. Step 2: Convert to fraction form
    765,059,321.84/1,147,585,165.94 = 298,768,122.96/x
  3. Step 3: Cross multiply
    765,059,321.84x = 1,147,585,165.94 × 298,768,122.96
  4. Step 4: Simplify right side
    765,059,321.84x = 342,861,865,963,140,032
  5. Step 5: Solve for x
    x = 342,861,865,963,140,032/765,059,321.84
  6. Step 6: Final answer
    x = 448,150,693.91

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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.