Home / 5,974,839,498.11-8,962,136,175.06-1,991,212,909.56

Finding the Fourth Proportional to 5,974,839,498.11, 8,962,136,175.06 and 1,991,212,909.56

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Solution

The fourth proportional to 5,974,839,498.11, 8,962,136,175.06 and 1,991,212,909.56 is: 2,986,778,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974,839,498.11 : 8,962,136,175.06 = 1,991,212,909.56 : x
  2. Step 2: Convert to fraction form
    5,974,839,498.11/8,962,136,175.06 = 1,991,212,909.56/x
  3. Step 3: Cross multiply
    5,974,839,498.11x = 8,962,136,175.06 × 1,991,212,909.56
  4. Step 4: Simplify right side
    5,974,839,498.11x = 17,845,521,249,014,151,168
  5. Step 5: Solve for x
    x = 17,845,521,249,014,151,168/5,974,839,498.11
  6. Step 6: Final answer
    x = 2,986,778,348.55

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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.