Home / 800,340,794.74-1,200,571,738.75-247,699,118.50

Finding the Fourth Proportional to 800,340,794.74, 1,200,571,738.75 and 247,699,118.50

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Solution

The fourth proportional to 800,340,794.74, 1,200,571,738.75 and 247,699,118.50 is: 371,567,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,340,794.74 : 1,200,571,738.75 = 247,699,118.50 : x
  2. Step 2: Convert to fraction form
    800,340,794.74/1,200,571,738.75 = 247,699,118.50/x
  3. Step 3: Cross multiply
    800,340,794.74x = 1,200,571,738.75 × 247,699,118.50
  4. Step 4: Simplify right side
    800,340,794.74x = 297,380,561,384,387,264
  5. Step 5: Solve for x
    x = 297,380,561,384,387,264/800,340,794.74
  6. Step 6: Final answer
    x = 371,567,416.45

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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.