Home / 1,170,412,832.80-1,755,619,249.20-480,814,991.20

Finding the Fourth Proportional to 1,170,412,832.80, 1,755,619,249.20 and 480,814,991.20

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Solution

The fourth proportional to 1,170,412,832.80, 1,755,619,249.20 and 480,814,991.20 is: 721,222,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,412,832.80 : 1,755,619,249.20 = 480,814,991.20 : x
  2. Step 2: Convert to fraction form
    1,170,412,832.80/1,755,619,249.20 = 480,814,991.20/x
  3. Step 3: Cross multiply
    1,170,412,832.80x = 1,755,619,249.20 × 480,814,991.20
  4. Step 4: Simplify right side
    1,170,412,832.80x = 844,128,053,854,648,576
  5. Step 5: Solve for x
    x = 844,128,053,854,648,576/1,170,412,832.80
  6. Step 6: Final answer
    x = 721,222,486.80

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1.5x scale

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.