Home / 539,167,978,760.39-744,075,199,407.77-298,579,855,091.39

Finding the Fourth Proportional to 539,167,978,760.39, 744,075,199,407.77 and 298,579,855,091.39

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Solution

The fourth proportional to 539,167,978,760.39, 744,075,199,407.77 and 298,579,855,091.39 is: 412,053,152,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,760.39 : 744,075,199,407.77 = 298,579,855,091.39 : x
  2. Step 2: Convert to fraction form
    539,167,978,760.39/744,075,199,407.77 = 298,579,855,091.39/x
  3. Step 3: Cross multiply
    539,167,978,760.39x = 744,075,199,407.77 × 298,579,855,091.39
  4. Step 4: Simplify right side
    539,167,978,760.39x = 222,165,865,216,269,103,398,912
  5. Step 5: Solve for x
    x = 222,165,865,216,269,103,398,912/539,167,978,760.39
  6. Step 6: Final answer
    x = 412,053,152,205.10

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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.