Home / 486,910,570.96-730,477,833-159,396,648.40

Finding the Fourth Proportional to 486,910,570.96, 730,477,833 and 159,396,648.40

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Solution

The fourth proportional to 486,910,570.96, 730,477,833 and 159,396,648.40 is: 239,131,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,910,570.96 : 730,477,833 = 159,396,648.40 : x
  2. Step 2: Convert to fraction form
    486,910,570.96/730,477,833 = 159,396,648.40/x
  3. Step 3: Cross multiply
    486,910,570.96x = 730,477,833 × 159,396,648.40
  4. Step 4: Simplify right side
    486,910,570.96x = 116,435,718,310,694,928
  5. Step 5: Solve for x
    x = 116,435,718,310,694,928/486,910,570.96
  6. Step 6: Final answer
    x = 239,131,629.62

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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.