Home / 581,986,634.72-872,971,729.76-270,920,267.12

Finding the Fourth Proportional to 581,986,634.72, 872,971,729.76 and 270,920,267.12

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Solution

The fourth proportional to 581,986,634.72, 872,971,729.76 and 270,920,267.12 is: 406,376,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,986,634.72 : 872,971,729.76 = 270,920,267.12 : x
  2. Step 2: Convert to fraction form
    581,986,634.72/872,971,729.76 = 270,920,267.12/x
  3. Step 3: Cross multiply
    581,986,634.72x = 872,971,729.76 × 270,920,267.12
  4. Step 4: Simplify right side
    581,986,634.72x = 236,505,734,217,647,392
  5. Step 5: Solve for x
    x = 236,505,734,217,647,392/581,986,634.72
  6. Step 6: Final answer
    x = 406,376,573.12

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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.