Home / 8,186,945,913.72-11,297,985,378.66-4,427,756,480.82

Finding the Fourth Proportional to 8,186,945,913.72, 11,297,985,378.66 and 4,427,756,480.82

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Solution

The fourth proportional to 8,186,945,913.72, 11,297,985,378.66 and 4,427,756,480.82 is: 6,110,303,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186,945,913.72 : 11,297,985,378.66 = 4,427,756,480.82 : x
  2. Step 2: Convert to fraction form
    8,186,945,913.72/11,297,985,378.66 = 4,427,756,480.82/x
  3. Step 3: Cross multiply
    8,186,945,913.72x = 11,297,985,378.66 × 4,427,756,480.82
  4. Step 4: Simplify right side
    8,186,945,913.72x = 50,024,727,980,571,410,432
  5. Step 5: Solve for x
    x = 50,024,727,980,571,410,432/8,186,945,913.72
  6. Step 6: Final answer
    x = 6,110,303,953.12

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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.