Home / 693,361,932.80-1,040,042,899.20-233,147,148.80

Finding the Fourth Proportional to 693,361,932.80, 1,040,042,899.20 and 233,147,148.80

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Solution

The fourth proportional to 693,361,932.80, 1,040,042,899.20 and 233,147,148.80 is: 349,720,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,361,932.80 : 1,040,042,899.20 = 233,147,148.80 : x
  2. Step 2: Convert to fraction form
    693,361,932.80/1,040,042,899.20 = 233,147,148.80/x
  3. Step 3: Cross multiply
    693,361,932.80x = 1,040,042,899.20 × 233,147,148.80
  4. Step 4: Simplify right side
    693,361,932.80x = 242,483,036,578,165,824
  5. Step 5: Solve for x
    x = 242,483,036,578,165,824/693,361,932.80
  6. Step 6: Final answer
    x = 349,720,723.20

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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.