Home / 618,764,888,971.56-853,895,587,842.82-344,404,653,528.60

Finding the Fourth Proportional to 618,764,888,971.56, 853,895,587,842.82 and 344,404,653,528.60

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Solution

The fourth proportional to 618,764,888,971.56, 853,895,587,842.82 and 344,404,653,528.60 is: 475,278,444,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,764,888,971.56 : 853,895,587,842.82 = 344,404,653,528.60 : x
  2. Step 2: Convert to fraction form
    618,764,888,971.56/853,895,587,842.82 = 344,404,653,528.60/x
  3. Step 3: Cross multiply
    618,764,888,971.56x = 853,895,587,842.82 × 344,404,653,528.60
  4. Step 4: Simplify right side
    618,764,888,971.56x = 294,085,614,080,606,603,313,152
  5. Step 5: Solve for x
    x = 294,085,614,080,606,603,313,152/618,764,888,971.56
  6. Step 6: Final answer
    x = 475,278,444,724.62

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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.