Home / 756,975,912.30-1,135,463,868.45-739,969,800.30

Finding the Fourth Proportional to 756,975,912.30, 1,135,463,868.45 and 739,969,800.30

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Solution

The fourth proportional to 756,975,912.30, 1,135,463,868.45 and 739,969,800.30 is: 1,109,954,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,975,912.30 : 1,135,463,868.45 = 739,969,800.30 : x
  2. Step 2: Convert to fraction form
    756,975,912.30/1,135,463,868.45 = 739,969,800.30/x
  3. Step 3: Cross multiply
    756,975,912.30x = 1,135,463,868.45 × 739,969,800.30
  4. Step 4: Simplify right side
    756,975,912.30x = 840,208,971,984,811,904
  5. Step 5: Solve for x
    x = 840,208,971,984,811,904/756,975,912.30
  6. Step 6: Final answer
    x = 1,109,954,700.45

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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.