Home / 905,449,535.96-1,358,172,608.79-283,712,364.80

Finding the Fourth Proportional to 905,449,535.96, 1,358,172,608.79 and 283,712,364.80

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Solution

The fourth proportional to 905,449,535.96, 1,358,172,608.79 and 283,712,364.80 is: 425,568,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,449,535.96 : 1,358,172,608.79 = 283,712,364.80 : x
  2. Step 2: Convert to fraction form
    905,449,535.96/1,358,172,608.79 = 283,712,364.80/x
  3. Step 3: Cross multiply
    905,449,535.96x = 1,358,172,608.79 × 283,712,364.80
  4. Step 4: Simplify right side
    905,449,535.96x = 385,330,362,646,396,160
  5. Step 5: Solve for x
    x = 385,330,362,646,396,160/905,449,535.96
  6. Step 6: Final answer
    x = 425,568,016.04

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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.