Home / 373,289,111.80-558,953,891.70-263,521,540.60

Finding the Fourth Proportional to 373,289,111.80, 558,953,891.70 and 263,521,540.60

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Solution

The fourth proportional to 373,289,111.80, 558,953,891.70 and 263,521,540.60 is: 394,590,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,289,111.80 : 558,953,891.70 = 263,521,540.60 : x
  2. Step 2: Convert to fraction form
    373,289,111.80/558,953,891.70 = 263,521,540.60/x
  3. Step 3: Cross multiply
    373,289,111.80x = 558,953,891.70 × 263,521,540.60
  4. Step 4: Simplify right side
    373,289,111.80x = 147,296,390,665,149,568
  5. Step 5: Solve for x
    x = 147,296,390,665,149,568/373,289,111.80
  6. Step 6: Final answer
    x = 394,590,643.04

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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.