Home / 539,167,978,818.40-744,075,199,487.46-298,579,855,149.04

Finding the Fourth Proportional to 539,167,978,818.40, 744,075,199,487.46 and 298,579,855,149.04

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Solution

The fourth proportional to 539,167,978,818.40, 744,075,199,487.46 and 298,579,855,149.04 is: 412,053,152,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,818.40 : 744,075,199,487.46 = 298,579,855,149.04 : x
  2. Step 2: Convert to fraction form
    539,167,978,818.40/744,075,199,487.46 = 298,579,855,149.04/x
  3. Step 3: Cross multiply
    539,167,978,818.40x = 744,075,199,487.46 × 298,579,855,149.04
  4. Step 4: Simplify right side
    539,167,978,818.40x = 222,165,865,282,958,805,434,368
  5. Step 5: Solve for x
    x = 222,165,865,282,958,805,434,368/539,167,978,818.40
  6. Step 6: Final answer
    x = 412,053,152,284.45

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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.