Home / 5,136,030,974.97-7,701,618,219.94-1,989,719,565.03

Finding the Fourth Proportional to 5,136,030,974.97, 7,701,618,219.94 and 1,989,719,565.03

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Solution

The fourth proportional to 5,136,030,974.97, 7,701,618,219.94 and 1,989,719,565.03 is: 2,983,638,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,030,974.97 : 7,701,618,219.94 = 1,989,719,565.03 : x
  2. Step 2: Convert to fraction form
    5,136,030,974.97/7,701,618,219.94 = 1,989,719,565.03/x
  3. Step 3: Cross multiply
    5,136,030,974.97x = 7,701,618,219.94 × 1,989,719,565.03
  4. Step 4: Simplify right side
    5,136,030,974.97x = 15,324,060,454,557,683,712
  5. Step 5: Solve for x
    x = 15,324,060,454,557,683,712/5,136,030,974.97
  6. Step 6: Final answer
    x = 2,983,638,636.38

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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.