Home / 18,267,114,473.94-25,208,672,272.81-10,129,491,169.58

Finding the Fourth Proportional to 18,267,114,473.94, 25,208,672,272.81 and 10,129,491,169.58

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Solution

The fourth proportional to 18,267,114,473.94, 25,208,672,272.81 and 10,129,491,169.58 is: 13,978,727,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,114,473.94 : 25,208,672,272.81 = 10,129,491,169.58 : x
  2. Step 2: Convert to fraction form
    18,267,114,473.94/25,208,672,272.81 = 10,129,491,169.58/x
  3. Step 3: Cross multiply
    18,267,114,473.94x = 25,208,672,272.81 × 10,129,491,169.58
  4. Step 4: Simplify right side
    18,267,114,473.94x = 255,351,023,184,310,304,768
  5. Step 5: Solve for x
    x = 255,351,023,184,310,304,768/18,267,114,473.94
  6. Step 6: Final answer
    x = 13,978,727,923.81

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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.