Home / 347,238,676.84-479,190,054.44-206,138,194.92

Finding the Fourth Proportional to 347,238,676.84, 479,190,054.44 and 206,138,194.92

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Solution

The fourth proportional to 347,238,676.84, 479,190,054.44 and 206,138,194.92 is: 284,471,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,238,676.84 : 479,190,054.44 = 206,138,194.92 : x
  2. Step 2: Convert to fraction form
    347,238,676.84/479,190,054.44 = 206,138,194.92/x
  3. Step 3: Cross multiply
    347,238,676.84x = 479,190,054.44 × 206,138,194.92
  4. Step 4: Simplify right side
    347,238,676.84x = 98,779,372,845,878,128
  5. Step 5: Solve for x
    x = 98,779,372,845,878,128/347,238,676.84
  6. Step 6: Final answer
    x = 284,471,112.91

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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.