Home / 11,401,763,229.92-15,728,841,942-9,894,273,752.72

Finding the Fourth Proportional to 11,401,763,229.92, 15,728,841,942 and 9,894,273,752.72

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Solution

The fourth proportional to 11,401,763,229.92, 15,728,841,942 and 9,894,273,752.72 is: 13,649,245,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401,763,229.92 : 15,728,841,942 = 9,894,273,752.72 : x
  2. Step 2: Convert to fraction form
    11,401,763,229.92/15,728,841,942 = 9,894,273,752.72/x
  3. Step 3: Cross multiply
    11,401,763,229.92x = 15,728,841,942 × 9,894,273,752.72
  4. Step 4: Simplify right side
    11,401,763,229.92x = 155,625,467,987,412,058,112
  5. Step 5: Solve for x
    x = 155,625,467,987,412,058,112/11,401,763,229.92
  6. Step 6: Final answer
    x = 13,649,245,721.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.