Home / 643,759,575.04-965,629,921.92-159,085,388.80

Finding the Fourth Proportional to 643,759,575.04, 965,629,921.92 and 159,085,388.80

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Solution

The fourth proportional to 643,759,575.04, 965,629,921.92 and 159,085,388.80 is: 238,625,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,759,575.04 : 965,629,921.92 = 159,085,388.80 : x
  2. Step 2: Convert to fraction form
    643,759,575.04/965,629,921.92 = 159,085,388.80/x
  3. Step 3: Cross multiply
    643,759,575.04x = 965,629,921.92 × 159,085,388.80
  4. Step 4: Simplify right side
    643,759,575.04x = 153,617,611,565,556,832
  5. Step 5: Solve for x
    x = 153,617,611,565,556,832/643,759,575.04
  6. Step 6: Final answer
    x = 238,625,750.24

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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.