Home / 542,971,132-749,293,863.60-295,448,221.60

Finding the Fourth Proportional to 542,971,132, 749,293,863.60 and 295,448,221.60

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Solution

The fourth proportional to 542,971,132, 749,293,863.60 and 295,448,221.60 is: 407,715,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,971,132 : 749,293,863.60 = 295,448,221.60 : x
  2. Step 2: Convert to fraction form
    542,971,132/749,293,863.60 = 295,448,221.60/x
  3. Step 3: Cross multiply
    542,971,132x = 749,293,863.60 × 295,448,221.60
  4. Step 4: Simplify right side
    542,971,132x = 221,377,539,456,412,992
  5. Step 5: Solve for x
    x = 221,377,539,456,412,992/542,971,132
  6. Step 6: Final answer
    x = 407,715,118.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.