Home / 2,526,447,140.40-3,789,923,965.20-868,136,019.60

Finding the Fourth Proportional to 2,526,447,140.40, 3,789,923,965.20 and 868,136,019.60

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Solution

The fourth proportional to 2,526,447,140.40, 3,789,923,965.20 and 868,136,019.60 is: 1,302,291,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526,447,140.40 : 3,789,923,965.20 = 868,136,019.60 : x
  2. Step 2: Convert to fraction form
    2,526,447,140.40/3,789,923,965.20 = 868,136,019.60/x
  3. Step 3: Cross multiply
    2,526,447,140.40x = 3,789,923,965.20 × 868,136,019.60
  4. Step 4: Simplify right side
    2,526,447,140.40x = 3,290,169,505,735,376,896
  5. Step 5: Solve for x
    x = 3,290,169,505,735,376,896/2,526,447,140.40
  6. Step 6: Final answer
    x = 1,302,291,052.57

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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.