Home / 560,245,699.31-773,204,640.57-465,993,560.79

Finding the Fourth Proportional to 560,245,699.31, 773,204,640.57 and 465,993,560.79

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Solution

The fourth proportional to 560,245,699.31, 773,204,640.57 and 465,993,560.79 is: 643,125,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,245,699.31 : 773,204,640.57 = 465,993,560.79 : x
  2. Step 2: Convert to fraction form
    560,245,699.31/773,204,640.57 = 465,993,560.79/x
  3. Step 3: Cross multiply
    560,245,699.31x = 773,204,640.57 × 465,993,560.79
  4. Step 4: Simplify right side
    560,245,699.31x = 360,308,383,678,566,464
  5. Step 5: Solve for x
    x = 360,308,383,678,566,464/560,245,699.31
  6. Step 6: Final answer
    x = 643,125,657.41

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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.