Home / 1,555,238,243.70-2,332,859,610.78-635,114,582.30

Finding the Fourth Proportional to 1,555,238,243.70, 2,332,859,610.78 and 635,114,582.30

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Solution

The fourth proportional to 1,555,238,243.70, 2,332,859,610.78 and 635,114,582.30 is: 952,672,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,238,243.70 : 2,332,859,610.78 = 635,114,582.30 : x
  2. Step 2: Convert to fraction form
    1,555,238,243.70/2,332,859,610.78 = 635,114,582.30/x
  3. Step 3: Cross multiply
    1,555,238,243.70x = 2,332,859,610.78 × 635,114,582.30
  4. Step 4: Simplify right side
    1,555,238,243.70x = 1,481,633,157,265,080,320
  5. Step 5: Solve for x
    x = 1,481,633,157,265,080,320/1,555,238,243.70
  6. Step 6: Final answer
    x = 952,672,790.34

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Double scale
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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.