Home / 1,225,246,022.88-1,691,463,890.16-946,161,028.32

Finding the Fourth Proportional to 1,225,246,022.88, 1,691,463,890.16 and 946,161,028.32

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Solution

The fourth proportional to 1,225,246,022.88, 1,691,463,890.16 and 946,161,028.32 is: 1,306,184,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,246,022.88 : 1,691,463,890.16 = 946,161,028.32 : x
  2. Step 2: Convert to fraction form
    1,225,246,022.88/1,691,463,890.16 = 946,161,028.32/x
  3. Step 3: Cross multiply
    1,225,246,022.88x = 1,691,463,890.16 × 946,161,028.32
  4. Step 4: Simplify right side
    1,225,246,022.88x = 1,600,397,213,679,933,184
  5. Step 5: Solve for x
    x = 1,600,397,213,679,933,184/1,225,246,022.88
  6. Step 6: Final answer
    x = 1,306,184,377.50

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Double scale
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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.