Home / 1,002,929,395.26-1,384,035,343.11-556,890,570.30

Finding the Fourth Proportional to 1,002,929,395.26, 1,384,035,343.11 and 556,890,570.30

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Solution

The fourth proportional to 1,002,929,395.26, 1,384,035,343.11 and 556,890,570.30 is: 768,504,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,929,395.26 : 1,384,035,343.11 = 556,890,570.30 : x
  2. Step 2: Convert to fraction form
    1,002,929,395.26/1,384,035,343.11 = 556,890,570.30/x
  3. Step 3: Cross multiply
    1,002,929,395.26x = 1,384,035,343.11 × 556,890,570.30
  4. Step 4: Simplify right side
    1,002,929,395.26x = 770,756,231,539,883,904
  5. Step 5: Solve for x
    x = 770,756,231,539,883,904/1,002,929,395.26
  6. Step 6: Final answer
    x = 768,504,976.70

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Double scale
Find fourth proportional to 1,002,929,396.26, 1,384,035,344.49 and 556,890,571.30
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.