Home / 539,167,978,814.40-744,075,199,481.94-298,579,855,145.04

Finding the Fourth Proportional to 539,167,978,814.40, 744,075,199,481.94 and 298,579,855,145.04

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Solution

The fourth proportional to 539,167,978,814.40, 744,075,199,481.94 and 298,579,855,145.04 is: 412,053,152,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,814.40 : 744,075,199,481.94 = 298,579,855,145.04 : x
  2. Step 2: Convert to fraction form
    539,167,978,814.40/744,075,199,481.94 = 298,579,855,145.04/x
  3. Step 3: Cross multiply
    539,167,978,814.40x = 744,075,199,481.94 × 298,579,855,145.04
  4. Step 4: Simplify right side
    539,167,978,814.40x = 222,165,865,278,334,367,170,560
  5. Step 5: Solve for x
    x = 222,165,865,278,334,367,170,560/539,167,978,814.40
  6. Step 6: Final answer
    x = 412,053,152,278.93

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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.