Home / 457,057,054.71-685,493,917.61-223,787,260.71

Finding the Fourth Proportional to 457,057,054.71, 685,493,917.61 and 223,787,260.71

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Solution

The fourth proportional to 457,057,054.71, 685,493,917.61 and 223,787,260.71 is: 335,636,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,057,054.71 : 685,493,917.61 = 223,787,260.71 : x
  2. Step 2: Convert to fraction form
    457,057,054.71/685,493,917.61 = 223,787,260.71/x
  3. Step 3: Cross multiply
    457,057,054.71x = 685,493,917.61 × 223,787,260.71
  4. Step 4: Simplify right side
    457,057,054.71x = 153,404,806,054,189,408
  5. Step 5: Solve for x
    x = 153,404,806,054,189,408/457,057,054.71
  6. Step 6: Final answer
    x = 335,636,009.71

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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.