Home / 539,167,978,679.75-744,075,199,296.50-298,579,855,010.74

Finding the Fourth Proportional to 539,167,978,679.75, 744,075,199,296.50 and 298,579,855,010.74

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Solution

The fourth proportional to 539,167,978,679.75, 744,075,199,296.50 and 298,579,855,010.74 is: 412,053,152,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,679.75 : 744,075,199,296.50 = 298,579,855,010.74 : x
  2. Step 2: Convert to fraction form
    539,167,978,679.75/744,075,199,296.50 = 298,579,855,010.74/x
  3. Step 3: Cross multiply
    539,167,978,679.75x = 744,075,199,296.50 × 298,579,855,010.74
  4. Step 4: Simplify right side
    539,167,978,679.75x = 222,165,865,123,036,436,365,312
  5. Step 5: Solve for x
    x = 222,165,865,123,036,436,365,312/539,167,978,679.75
  6. Step 6: Final answer
    x = 412,053,152,093.81

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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.