Home / 395,101,550,357.86-545,240,139,440.98-223,823,481,847.79

Finding the Fourth Proportional to 395,101,550,357.86, 545,240,139,440.98 and 223,823,481,847.79

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Solution

The fourth proportional to 395,101,550,357.86, 545,240,139,440.98 and 223,823,481,847.79 is: 308,876,404,920.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,101,550,357.86 : 545,240,139,440.98 = 223,823,481,847.79 : x
  2. Step 2: Convert to fraction form
    395,101,550,357.86/545,240,139,440.98 = 223,823,481,847.79/x
  3. Step 3: Cross multiply
    395,101,550,357.86x = 545,240,139,440.98 × 223,823,481,847.79
  4. Step 4: Simplify right side
    395,101,550,357.86x = 122,037,546,452,854,673,244,160
  5. Step 5: Solve for x
    x = 122,037,546,452,854,673,244,160/395,101,550,357.86
  6. Step 6: Final answer
    x = 308,876,404,920.00

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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.