Home / 395,101,550,359.36-545,240,139,443.05-223,823,481,849.29

Finding the Fourth Proportional to 395,101,550,359.36, 545,240,139,443.05 and 223,823,481,849.29

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Solution

The fourth proportional to 395,101,550,359.36, 545,240,139,443.05 and 223,823,481,849.29 is: 308,876,404,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,101,550,359.36 : 545,240,139,443.05 = 223,823,481,849.29 : x
  2. Step 2: Convert to fraction form
    395,101,550,359.36/545,240,139,443.05 = 223,823,481,849.29/x
  3. Step 3: Cross multiply
    395,101,550,359.36x = 545,240,139,443.05 × 223,823,481,849.29
  4. Step 4: Simplify right side
    395,101,550,359.36x = 122,037,546,454,135,848,566,784
  5. Step 5: Solve for x
    x = 122,037,546,454,135,848,566,784/395,101,550,359.36
  6. Step 6: Final answer
    x = 308,876,404,922.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.