Home / 442,868,571.10-664,302,856.65-440,317,654.30

Finding the Fourth Proportional to 442,868,571.10, 664,302,856.65 and 440,317,654.30

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Solution

The fourth proportional to 442,868,571.10, 664,302,856.65 and 440,317,654.30 is: 660,476,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,571.10 : 664,302,856.65 = 440,317,654.30 : x
  2. Step 2: Convert to fraction form
    442,868,571.10/664,302,856.65 = 440,317,654.30/x
  3. Step 3: Cross multiply
    442,868,571.10x = 664,302,856.65 × 440,317,654.30
  4. Step 4: Simplify right side
    442,868,571.10x = 292,504,275,584,917,184
  5. Step 5: Solve for x
    x = 292,504,275,584,917,184/442,868,571.10
  6. Step 6: Final answer
    x = 660,476,481.45

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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.