Home / 539,167,978,819.40-744,075,199,488.84-298,579,855,150.04

Finding the Fourth Proportional to 539,167,978,819.40, 744,075,199,488.84 and 298,579,855,150.04

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Solution

The fourth proportional to 539,167,978,819.40, 744,075,199,488.84 and 298,579,855,150.04 is: 412,053,152,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,819.40 : 744,075,199,488.84 = 298,579,855,150.04 : x
  2. Step 2: Convert to fraction form
    539,167,978,819.40/744,075,199,488.84 = 298,579,855,150.04/x
  3. Step 3: Cross multiply
    539,167,978,819.40x = 744,075,199,488.84 × 298,579,855,150.04
  4. Step 4: Simplify right side
    539,167,978,819.40x = 222,165,865,284,114,923,388,928
  5. Step 5: Solve for x
    x = 222,165,865,284,114,923,388,928/539,167,978,819.40
  6. Step 6: Final answer
    x = 412,053,152,285.83

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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.