Home / 1,364,061,408.12-2,046,078,471.80-431,384,415.24

Finding the Fourth Proportional to 1,364,061,408.12, 2,046,078,471.80 and 431,384,415.24

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Solution

The fourth proportional to 1,364,061,408.12, 2,046,078,471.80 and 431,384,415.24 is: 647,072,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,061,408.12 : 2,046,078,471.80 = 431,384,415.24 : x
  2. Step 2: Convert to fraction form
    1,364,061,408.12/2,046,078,471.80 = 431,384,415.24/x
  3. Step 3: Cross multiply
    1,364,061,408.12x = 2,046,078,471.80 × 431,384,415.24
  4. Step 4: Simplify right side
    1,364,061,408.12x = 882,646,365,092,595,840
  5. Step 5: Solve for x
    x = 882,646,365,092,595,840/1,364,061,408.12
  6. Step 6: Final answer
    x = 647,072,309.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.