Finding the Fourth Proportional to 3,280,247,324.90, 4,526,738,360.61 and 1,851,619,207.94
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Solution
The fourth proportional to 3,280,247,324.90, 4,526,738,360.61 and 1,851,619,207.94 is: 2,555,232,843.02
Step by Step Solution
- Step 1: Write the proportion equation
3,280,247,324.90 : 4,526,738,360.61 = 1,851,619,207.94 : x - Step 2: Convert to fraction form
3,280,247,324.90/4,526,738,360.61 = 1,851,619,207.94/x - Step 3: Cross multiply
3,280,247,324.90x = 4,526,738,360.61 × 1,851,619,207.94 - Step 4: Simplify right side
3,280,247,324.90x = 8,381,795,697,824,302,080 - Step 5: Solve for x
x = 8,381,795,697,824,302,080/3,280,247,324.90 - Step 6: Final answer
x = 2,555,232,843.02
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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.