Home / 310,520,147,249.70-465,780,220,874.55-204,521,901,459.30

Finding the Fourth Proportional to 310,520,147,249.70, 465,780,220,874.55 and 204,521,901,459.30

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Solution

The fourth proportional to 310,520,147,249.70, 465,780,220,874.55 and 204,521,901,459.30 is: 306,782,852,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,520,147,249.70 : 465,780,220,874.55 = 204,521,901,459.30 : x
  2. Step 2: Convert to fraction form
    310,520,147,249.70/465,780,220,874.55 = 204,521,901,459.30/x
  3. Step 3: Cross multiply
    310,520,147,249.70x = 465,780,220,874.55 × 204,521,901,459.30
  4. Step 4: Simplify right side
    310,520,147,249.70x = 95,262,256,435,395,695,738,880
  5. Step 5: Solve for x
    x = 95,262,256,435,395,695,738,880/310,520,147,249.70
  6. Step 6: Final answer
    x = 306,782,852,188.95

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1.5x scale

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.