Home / 756,975,915.30-1,135,463,872.95-739,969,803.30

Finding the Fourth Proportional to 756,975,915.30, 1,135,463,872.95 and 739,969,803.30

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Solution

The fourth proportional to 756,975,915.30, 1,135,463,872.95 and 739,969,803.30 is: 1,109,954,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,975,915.30 : 1,135,463,872.95 = 739,969,803.30 : x
  2. Step 2: Convert to fraction form
    756,975,915.30/1,135,463,872.95 = 739,969,803.30/x
  3. Step 3: Cross multiply
    756,975,915.30x = 1,135,463,872.95 × 739,969,803.30
  4. Step 4: Simplify right side
    756,975,915.30x = 840,208,978,721,067,648
  5. Step 5: Solve for x
    x = 840,208,978,721,067,648/756,975,915.30
  6. Step 6: Final answer
    x = 1,109,954,704.95

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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.