Finding the Fourth Proportional to 3,156,195,477.68, 4,351,985,449.08 and 2,360,692,067.12
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Solution
The fourth proportional to 3,156,195,477.68, 4,351,985,449.08 and 2,360,692,067.12 is: 3,255,089,109.19
Step by Step Solution
- Step 1: Write the proportion equation
3,156,195,477.68 : 4,351,985,449.08 = 2,360,692,067.12 : x - Step 2: Convert to fraction form
3,156,195,477.68/4,351,985,449.08 = 2,360,692,067.12/x - Step 3: Cross multiply
3,156,195,477.68x = 4,351,985,449.08 × 2,360,692,067.12 - Step 4: Simplify right side
3,156,195,477.68x = 10,273,697,525,864,826,880 - Step 5: Solve for x
x = 10,273,697,525,864,826,880/3,156,195,477.68 - Step 6: Final answer
x = 3,255,089,109.19
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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.