Home / 30,945,944,986.63-42,705,147,367.21-17,397,642,536.94

Finding the Fourth Proportional to 30,945,944,986.63, 42,705,147,367.21 and 17,397,642,536.94

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Solution

The fourth proportional to 30,945,944,986.63, 42,705,147,367.21 and 17,397,642,536.94 is: 24,008,602,377.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,944,986.63 : 42,705,147,367.21 = 17,397,642,536.94 : x
  2. Step 2: Convert to fraction form
    30,945,944,986.63/42,705,147,367.21 = 17,397,642,536.94/x
  3. Step 3: Cross multiply
    30,945,944,986.63x = 42,705,147,367.21 × 17,397,642,536.94
  4. Step 4: Simplify right side
    30,945,944,986.63x = 742,968,888,381,850,517,504
  5. Step 5: Solve for x
    x = 742,968,888,381,850,517,504/30,945,944,986.63
  6. Step 6: Final answer
    x = 24,008,602,377.56

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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.