Home / 618,764,888,961.30-853,895,587,828.80-344,404,653,518.40

Finding the Fourth Proportional to 618,764,888,961.30, 853,895,587,828.80 and 344,404,653,518.40

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Solution

The fourth proportional to 618,764,888,961.30, 853,895,587,828.80 and 344,404,653,518.40 is: 475,278,444,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,764,888,961.30 : 853,895,587,828.80 = 344,404,653,518.40 : x
  2. Step 2: Convert to fraction form
    618,764,888,961.30/853,895,587,828.80 = 344,404,653,518.40/x
  3. Step 3: Cross multiply
    618,764,888,961.30x = 853,895,587,828.80 × 344,404,653,518.40
  4. Step 4: Simplify right side
    618,764,888,961.30x = 294,085,614,067,068,396,634,112
  5. Step 5: Solve for x
    x = 294,085,614,067,068,396,634,112/618,764,888,961.30
  6. Step 6: Final answer
    x = 475,278,444,710.62

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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.