Home / 20,968,578,890.24-31,452,985,918.21-6,994,162,419.71

Finding the Fourth Proportional to 20,968,578,890.24, 31,452,985,918.21 and 6,994,162,419.71

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Solution

The fourth proportional to 20,968,578,890.24, 31,452,985,918.21 and 6,994,162,419.71 is: 10,491,282,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,968,578,890.24 : 31,452,985,918.21 = 6,994,162,419.71 : x
  2. Step 2: Convert to fraction form
    20,968,578,890.24/31,452,985,918.21 = 6,994,162,419.71/x
  3. Step 3: Cross multiply
    20,968,578,890.24x = 31,452,985,918.21 × 6,994,162,419.71
  4. Step 4: Simplify right side
    20,968,578,890.24x = 219,987,292,096,675,938,304
  5. Step 5: Solve for x
    x = 219,987,292,096,675,938,304/20,968,578,890.24
  6. Step 6: Final answer
    x = 10,491,282,849.84

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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.