Finding the Fourth Proportional to 10,549,976,645.20, 15,821,605,153.08 and 3,465,815,138.80
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Solution
The fourth proportional to 10,549,976,645.20, 15,821,605,153.08 and 3,465,815,138.80 is: 5,197,618,961.99
Step by Step Solution
- Step 1: Write the proportion equation
10,549,976,645.20 : 15,821,605,153.08 = 3,465,815,138.80 : x - Step 2: Convert to fraction form
10,549,976,645.20/15,821,605,153.08 = 3,465,815,138.80/x - Step 3: Cross multiply
10,549,976,645.20x = 15,821,605,153.08 × 3,465,815,138.80 - Step 4: Simplify right side
10,549,976,645.20x = 54,834,758,659,660,759,040 - Step 5: Solve for x
x = 54,834,758,659,660,759,040/10,549,976,645.20 - Step 6: Final answer
x = 5,197,618,961.99
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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.