Home / 539,167,978,665.80-744,075,199,277.30-298,579,854,996.86

Finding the Fourth Proportional to 539,167,978,665.80, 744,075,199,277.30 and 298,579,854,996.86

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Solution

The fourth proportional to 539,167,978,665.80, 744,075,199,277.30 and 298,579,854,996.86 is: 412,053,152,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,665.80 : 744,075,199,277.30 = 298,579,854,996.86 : x
  2. Step 2: Convert to fraction form
    539,167,978,665.80/744,075,199,277.30 = 298,579,854,996.86/x
  3. Step 3: Cross multiply
    539,167,978,665.80x = 744,075,199,277.30 × 298,579,854,996.86
  4. Step 4: Simplify right side
    539,167,978,665.80x = 222,165,865,106,975,943,032,832
  5. Step 5: Solve for x
    x = 222,165,865,106,975,943,032,832/539,167,978,665.80
  6. Step 6: Final answer
    x = 412,053,152,074.68

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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.