Finding the Fourth Proportional to 3,625,629,733.39, 5,438,443,319.99 and 969,616,781.45
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Solution
The fourth proportional to 3,625,629,733.39, 5,438,443,319.99 and 969,616,781.45 is: 1,454,424,829.83
Step by Step Solution
- Step 1: Write the proportion equation
3,625,629,733.39 : 5,438,443,319.99 = 969,616,781.45 : x - Step 2: Convert to fraction form
3,625,629,733.39/5,438,443,319.99 = 969,616,781.45/x - Step 3: Cross multiply
3,625,629,733.39x = 5,438,443,319.99 × 969,616,781.45 - Step 4: Simplify right side
3,625,629,733.39x = 5,273,205,907,999,764,480 - Step 5: Solve for x
x = 5,273,205,907,999,764,480/3,625,629,733.39 - Step 6: Final answer
x = 1,454,424,829.83
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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.