Home / 539,167,978,692.20-744,075,199,313.67-298,579,855,023.12

Finding the Fourth Proportional to 539,167,978,692.20, 744,075,199,313.67 and 298,579,855,023.12

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Solution

The fourth proportional to 539,167,978,692.20, 744,075,199,313.67 and 298,579,855,023.12 is: 412,053,152,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,167,978,692.20 : 744,075,199,313.67 = 298,579,855,023.12 : x
  2. Step 2: Convert to fraction form
    539,167,978,692.20/744,075,199,313.67 = 298,579,855,023.12/x
  3. Step 3: Cross multiply
    539,167,978,692.20x = 744,075,199,313.67 × 298,579,855,023.12
  4. Step 4: Simplify right side
    539,167,978,692.20x = 222,165,865,137,374,714,920,960
  5. Step 5: Solve for x
    x = 222,165,865,137,374,714,920,960/539,167,978,692.20
  6. Step 6: Final answer
    x = 412,053,152,110.88

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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.