Finding the Fourth Proportional to 5,168,328,811.62, 7,132,257,480.33 and 2,821,485,355.62
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Solution
The fourth proportional to 5,168,328,811.62, 7,132,257,480.33 and 2,821,485,355.62 is: 3,893,629,985.00
Step by Step Solution
- Step 1: Write the proportion equation
5,168,328,811.62 : 7,132,257,480.33 = 2,821,485,355.62 : x - Step 2: Convert to fraction form
5,168,328,811.62/7,132,257,480.33 = 2,821,485,355.62/x - Step 3: Cross multiply
5,168,328,811.62x = 7,132,257,480.33 × 2,821,485,355.62 - Step 4: Simplify right side
5,168,328,811.62x = 20,123,560,033,262,292,992 - Step 5: Solve for x
x = 20,123,560,033,262,292,992/5,168,328,811.62 - Step 6: Final answer
x = 3,893,629,985.00
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1.5x scale
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.