Home / 394,415,020.80-590,488,790.40-241,360,012.80

Finding the Fourth Proportional to 394,415,020.80, 590,488,790.40 and 241,360,012.80

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Solution

The fourth proportional to 394,415,020.80, 590,488,790.40 and 241,360,012.80 is: 361,346,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,415,020.80 : 590,488,790.40 = 241,360,012.80 : x
  2. Step 2: Convert to fraction form
    394,415,020.80/590,488,790.40 = 241,360,012.80/x
  3. Step 3: Cross multiply
    394,415,020.80x = 590,488,790.40 × 241,360,012.80
  4. Step 4: Simplify right side
    394,415,020.80x = 142,520,382,009,200,512
  5. Step 5: Solve for x
    x = 142,520,382,009,200,512/394,415,020.80
  6. Step 6: Final answer
    x = 361,346,233.01

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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.