Home / 618,764,888,997.18-853,895,587,878.42-344,404,653,554.28

Finding the Fourth Proportional to 618,764,888,997.18, 853,895,587,878.42 and 344,404,653,554.28

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Solution

The fourth proportional to 618,764,888,997.18, 853,895,587,878.42 and 344,404,653,554.28 is: 475,278,444,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,764,888,997.18 : 853,895,587,878.42 = 344,404,653,554.28 : x
  2. Step 2: Convert to fraction form
    618,764,888,997.18/853,895,587,878.42 = 344,404,653,554.28/x
  3. Step 3: Cross multiply
    618,764,888,997.18x = 853,895,587,878.42 × 344,404,653,554.28
  4. Step 4: Simplify right side
    618,764,888,997.18x = 294,085,614,114,795,549,622,272
  5. Step 5: Solve for x
    x = 294,085,614,114,795,549,622,272/618,764,888,997.18
  6. Step 6: Final answer
    x = 475,278,444,760.20

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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.