Home / 3,188,401,360.52-4,782,279,128.81-859,573,754.42

Finding the Fourth Proportional to 3,188,401,360.52, 4,782,279,128.81 and 859,573,754.42

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Solution

The fourth proportional to 3,188,401,360.52, 4,782,279,128.81 and 859,573,754.42 is: 1,289,273,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,401,360.52 : 4,782,279,128.81 = 859,573,754.42 : x
  2. Step 2: Convert to fraction form
    3,188,401,360.52/4,782,279,128.81 = 859,573,754.42/x
  3. Step 3: Cross multiply
    3,188,401,360.52x = 4,782,279,128.81 × 859,573,754.42
  4. Step 4: Simplify right side
    3,188,401,360.52x = 4,110,721,625,407,409,152
  5. Step 5: Solve for x
    x = 4,110,721,625,407,409,152/3,188,401,360.52
  6. Step 6: Final answer
    x = 1,289,273,576.51

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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.