Home / 1,668,790,212.73-2,501,281,144.45-672,173,361.79

Finding the Fourth Proportional to 1,668,790,212.73, 2,501,281,144.45 and 672,173,361.79

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Solution

The fourth proportional to 1,668,790,212.73, 2,501,281,144.45 and 672,173,361.79 is: 1,007,493,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,790,212.73 : 2,501,281,144.45 = 672,173,361.79 : x
  2. Step 2: Convert to fraction form
    1,668,790,212.73/2,501,281,144.45 = 672,173,361.79/x
  3. Step 3: Cross multiply
    1,668,790,212.73x = 2,501,281,144.45 × 672,173,361.79
  4. Step 4: Simplify right side
    1,668,790,212.73x = 1,681,294,555,646,894,848
  5. Step 5: Solve for x
    x = 1,681,294,555,646,894,848/1,668,790,212.73
  6. Step 6: Final answer
    x = 1,007,493,058.64

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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.