Home / 743,751,450.78-1,115,636,752.04-219,001,241.63

Finding the Fourth Proportional to 743,751,450.78, 1,115,636,752.04 and 219,001,241.63

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Solution

The fourth proportional to 743,751,450.78, 1,115,636,752.04 and 219,001,241.63 is: 328,504,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,751,450.78 : 1,115,636,752.04 = 219,001,241.63 : x
  2. Step 2: Convert to fraction form
    743,751,450.78/1,115,636,752.04 = 219,001,241.63/x
  3. Step 3: Cross multiply
    743,751,450.78x = 1,115,636,752.04 × 219,001,241.63
  4. Step 4: Simplify right side
    743,751,450.78x = 244,325,833,906,514,528
  5. Step 5: Solve for x
    x = 244,325,833,906,514,528/743,751,450.78
  6. Step 6: Final answer
    x = 328,504,682.11

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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.