Home / 2,171,510,379.74-2,996,444,548.91-1,218,672,575.25

Finding the Fourth Proportional to 2,171,510,379.74, 2,996,444,548.91 and 1,218,672,575.25

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Solution

The fourth proportional to 2,171,510,379.74, 2,996,444,548.91 and 1,218,672,575.25 is: 1,681,633,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,510,379.74 : 2,996,444,548.91 = 1,218,672,575.25 : x
  2. Step 2: Convert to fraction form
    2,171,510,379.74/2,996,444,548.91 = 1,218,672,575.25/x
  3. Step 3: Cross multiply
    2,171,510,379.74x = 2,996,444,548.91 × 1,218,672,575.25
  4. Step 4: Simplify right side
    2,171,510,379.74x = 3,651,684,795,007,881,216
  5. Step 5: Solve for x
    x = 3,651,684,795,007,881,216/2,171,510,379.74
  6. Step 6: Final answer
    x = 1,681,633,589.73

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1.5x scale

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.