Home / 626,901,622.40-940,800,331.20-263,656,668.80

Finding the Fourth Proportional to 626,901,622.40, 940,800,331.20 and 263,656,668.80

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Solution

The fourth proportional to 626,901,622.40, 940,800,331.20 and 263,656,668.80 is: 395,673,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,901,622.40 : 940,800,331.20 = 263,656,668.80 : x
  2. Step 2: Convert to fraction form
    626,901,622.40/940,800,331.20 = 263,656,668.80/x
  3. Step 3: Cross multiply
    626,901,622.40x = 940,800,331.20 × 263,656,668.80
  4. Step 4: Simplify right side
    626,901,622.40x = 248,048,281,330,128,736
  5. Step 5: Solve for x
    x = 248,048,281,330,128,736/626,901,622.40
  6. Step 6: Final answer
    x = 395,673,375.96

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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.