Home / 626,901,624.40-940,800,334.20-263,656,670.80

Finding the Fourth Proportional to 626,901,624.40, 940,800,334.20 and 263,656,670.80

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Solution

The fourth proportional to 626,901,624.40, 940,800,334.20 and 263,656,670.80 is: 395,673,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,901,624.40 : 940,800,334.20 = 263,656,670.80 : x
  2. Step 2: Convert to fraction form
    626,901,624.40/940,800,334.20 = 263,656,670.80/x
  3. Step 3: Cross multiply
    626,901,624.40x = 940,800,334.20 × 263,656,670.80
  4. Step 4: Simplify right side
    626,901,624.40x = 248,048,284,002,699,392
  5. Step 5: Solve for x
    x = 248,048,284,002,699,392/626,901,624.40
  6. Step 6: Final answer
    x = 395,673,378.96

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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.