Home / 539,167,978,790.90-744,075,199,449.68-298,579,855,121.88

Finding the Fourth Proportional to 539,167,978,790.90, 744,075,199,449.68 and 298,579,855,121.88

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Solution

The fourth proportional to 539,167,978,790.90, 744,075,199,449.68 and 298,579,855,121.88 is: 412,053,152,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,790.90 : 744,075,199,449.68 = 298,579,855,121.88 : x
  2. Step 2: Convert to fraction form
    539,167,978,790.90/744,075,199,449.68 = 298,579,855,121.88/x
  3. Step 3: Cross multiply
    539,167,978,790.90x = 744,075,199,449.68 × 298,579,855,121.88
  4. Step 4: Simplify right side
    539,167,978,790.90x = 222,165,865,251,469,447,397,376
  5. Step 5: Solve for x
    x = 222,165,865,251,469,447,397,376/539,167,978,790.90
  6. Step 6: Final answer
    x = 412,053,152,247.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.