Home / 843,669,389.70-1,265,504,084.55-230,315,616.90

Finding the Fourth Proportional to 843,669,389.70, 1,265,504,084.55 and 230,315,616.90

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Solution

The fourth proportional to 843,669,389.70, 1,265,504,084.55 and 230,315,616.90 is: 345,473,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,669,389.70 : 1,265,504,084.55 = 230,315,616.90 : x
  2. Step 2: Convert to fraction form
    843,669,389.70/1,265,504,084.55 = 230,315,616.90/x
  3. Step 3: Cross multiply
    843,669,389.70x = 1,265,504,084.55 × 230,315,616.90
  4. Step 4: Simplify right side
    843,669,389.70x = 291,465,353,922,603,008
  5. Step 5: Solve for x
    x = 291,465,353,922,603,008/843,669,389.70
  6. Step 6: Final answer
    x = 345,473,425.35

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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.