Home / 426,432,934,227.42-639,642,944,389.77-103,738,786,334.94

Finding the Fourth Proportional to 426,432,934,227.42, 639,642,944,389.77 and 103,738,786,334.94

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Solution

The fourth proportional to 426,432,934,227.42, 639,642,944,389.77 and 103,738,786,334.94 is: 155,606,608,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,432,934,227.42 : 639,642,944,389.77 = 103,738,786,334.94 : x
  2. Step 2: Convert to fraction form
    426,432,934,227.42/639,642,944,389.77 = 103,738,786,334.94/x
  3. Step 3: Cross multiply
    426,432,934,227.42x = 639,642,944,389.77 × 103,738,786,334.94
  4. Step 4: Simplify right side
    426,432,934,227.42x = 66,355,782,738,702,258,667,520
  5. Step 5: Solve for x
    x = 66,355,782,738,702,258,667,520/426,432,934,227.42
  6. Step 6: Final answer
    x = 155,606,608,713.09

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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.