Home / 298,945,511.40-448,418,267.10-222,418,007.40

Finding the Fourth Proportional to 298,945,511.40, 448,418,267.10 and 222,418,007.40

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Solution

The fourth proportional to 298,945,511.40, 448,418,267.10 and 222,418,007.40 is: 333,627,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,945,511.40 : 448,418,267.10 = 222,418,007.40 : x
  2. Step 2: Convert to fraction form
    298,945,511.40/448,418,267.10 = 222,418,007.40/x
  3. Step 3: Cross multiply
    298,945,511.40x = 448,418,267.10 × 222,418,007.40
  4. Step 4: Simplify right side
    298,945,511.40x = 99,736,297,450,142,992
  5. Step 5: Solve for x
    x = 99,736,297,450,142,992/298,945,511.40
  6. Step 6: Final answer
    x = 333,627,011.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.