Home / 5,974,839,489.08-8,962,136,161.57-1,991,212,900.57

Finding the Fourth Proportional to 5,974,839,489.08, 8,962,136,161.57 and 1,991,212,900.57

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Solution

The fourth proportional to 5,974,839,489.08, 8,962,136,161.57 and 1,991,212,900.57 is: 2,986,778,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974,839,489.08 : 8,962,136,161.57 = 1,991,212,900.57 : x
  2. Step 2: Convert to fraction form
    5,974,839,489.08/8,962,136,161.57 = 1,991,212,900.57/x
  3. Step 3: Cross multiply
    5,974,839,489.08x = 8,962,136,161.57 × 1,991,212,900.57
  4. Step 4: Simplify right side
    5,974,839,489.08x = 17,845,521,141,535,387,648
  5. Step 5: Solve for x
    x = 17,845,521,141,535,387,648/5,974,839,489.08
  6. Step 6: Final answer
    x = 2,986,778,335.07

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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.