Home / 394,338,736.10-541,337,815.08-338,487,193.28

Finding the Fourth Proportional to 394,338,736.10, 541,337,815.08 and 338,487,193.28

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Solution

The fourth proportional to 394,338,736.10, 541,337,815.08 and 338,487,193.28 is: 464,666,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,338,736.10 : 541,337,815.08 = 338,487,193.28 : x
  2. Step 2: Convert to fraction form
    394,338,736.10/541,337,815.08 = 338,487,193.28/x
  3. Step 3: Cross multiply
    394,338,736.10x = 541,337,815.08 × 338,487,193.28
  4. Step 4: Simplify right side
    394,338,736.10x = 183,235,917,642,756,864
  5. Step 5: Solve for x
    x = 183,235,917,642,756,864/394,338,736.10
  6. Step 6: Final answer
    x = 464,666,290.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.