Home / 286,095,182.74-394,951,309.77-191,975,654.86

Finding the Fourth Proportional to 286,095,182.74, 394,951,309.77 and 191,975,654.86

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Solution

The fourth proportional to 286,095,182.74, 394,951,309.77 and 191,975,654.86 is: 265,020,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,095,182.74 : 394,951,309.77 = 191,975,654.86 : x
  2. Step 2: Convert to fraction form
    286,095,182.74/394,951,309.77 = 191,975,654.86/x
  3. Step 3: Cross multiply
    286,095,182.74x = 394,951,309.77 × 191,975,654.86
  4. Step 4: Simplify right side
    286,095,182.74x = 75,821,036,330,910,464
  5. Step 5: Solve for x
    x = 75,821,036,330,910,464/286,095,182.74
  6. Step 6: Final answer
    x = 265,020,318.08

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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.