Home / 20,784,075,089.08-28,682,236,766.48-11,268,645,241.73

Finding the Fourth Proportional to 20,784,075,089.08, 28,682,236,766.48 and 11,268,645,241.73

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Solution

The fourth proportional to 20,784,075,089.08, 28,682,236,766.48 and 11,268,645,241.73 is: 15,550,845,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,784,075,089.08 : 28,682,236,766.48 = 11,268,645,241.73 : x
  2. Step 2: Convert to fraction form
    20,784,075,089.08/28,682,236,766.48 = 11,268,645,241.73/x
  3. Step 3: Cross multiply
    20,784,075,089.08x = 28,682,236,766.48 × 11,268,645,241.73
  4. Step 4: Simplify right side
    20,784,075,089.08x = 323,209,950,860,579,635,200
  5. Step 5: Solve for x
    x = 323,209,950,860,579,635,200/20,784,075,089.08
  6. Step 6: Final answer
    x = 15,550,845,995.08

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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.