Home / 539,167,978,790.88-744,075,199,449.70-298,579,855,121.88

Finding the Fourth Proportional to 539,167,978,790.88, 744,075,199,449.70 and 298,579,855,121.88

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Solution

The fourth proportional to 539,167,978,790.88, 744,075,199,449.70 and 298,579,855,121.88 is: 412,053,152,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,790.88 : 744,075,199,449.70 = 298,579,855,121.88 : x
  2. Step 2: Convert to fraction form
    539,167,978,790.88/744,075,199,449.70 = 298,579,855,121.88/x
  3. Step 3: Cross multiply
    539,167,978,790.88x = 744,075,199,449.70 × 298,579,855,121.88
  4. Step 4: Simplify right side
    539,167,978,790.88x = 222,165,865,251,475,386,531,840
  5. Step 5: Solve for x
    x = 222,165,865,251,475,386,531,840/539,167,978,790.88
  6. Step 6: Final answer
    x = 412,053,152,247.09

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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.