Home / 3,987,871,845.60-5,981,807,768.40-2,267,945,061.60

Finding the Fourth Proportional to 3,987,871,845.60, 5,981,807,768.40 and 2,267,945,061.60

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Solution

The fourth proportional to 3,987,871,845.60, 5,981,807,768.40 and 2,267,945,061.60 is: 3,401,917,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,871,845.60 : 5,981,807,768.40 = 2,267,945,061.60 : x
  2. Step 2: Convert to fraction form
    3,987,871,845.60/5,981,807,768.40 = 2,267,945,061.60/x
  3. Step 3: Cross multiply
    3,987,871,845.60x = 5,981,807,768.40 × 2,267,945,061.60
  4. Step 4: Simplify right side
    3,987,871,845.60x = 13,566,411,387,783,294,976
  5. Step 5: Solve for x
    x = 13,566,411,387,783,294,976/3,987,871,845.60
  6. Step 6: Final answer
    x = 3,401,917,592.40

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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.