Home / 539,167,978,789.88-744,075,199,448.32-298,579,855,120.88

Finding the Fourth Proportional to 539,167,978,789.88, 744,075,199,448.32 and 298,579,855,120.88

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Solution

The fourth proportional to 539,167,978,789.88, 744,075,199,448.32 and 298,579,855,120.88 is: 412,053,152,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,789.88 : 744,075,199,448.32 = 298,579,855,120.88 : x
  2. Step 2: Convert to fraction form
    539,167,978,789.88/744,075,199,448.32 = 298,579,855,120.88/x
  3. Step 3: Cross multiply
    539,167,978,789.88x = 744,075,199,448.32 × 298,579,855,120.88
  4. Step 4: Simplify right side
    539,167,978,789.88x = 222,165,865,250,319,268,577,280
  5. Step 5: Solve for x
    x = 222,165,865,250,319,268,577,280/539,167,978,789.88
  6. Step 6: Final answer
    x = 412,053,152,245.71

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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.