Finding the Fourth Proportional to 3,551,230,648.52, 5,328,028,981.84 and 1,190,625,193.70
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Solution
The fourth proportional to 3,551,230,648.52, 5,328,028,981.84 and 1,190,625,193.70 is: 1,786,334,419.35
Step by Step Solution
- Step 1: Write the proportion equation
3,551,230,648.52 : 5,328,028,981.84 = 1,190,625,193.70 : x - Step 2: Convert to fraction form
3,551,230,648.52/5,328,028,981.84 = 1,190,625,193.70/x - Step 3: Cross multiply
3,551,230,648.52x = 5,328,028,981.84 × 1,190,625,193.70 - Step 4: Simplify right side
3,551,230,648.52x = 6,343,685,538,509,870,080 - Step 5: Solve for x
x = 6,343,685,538,509,870,080/3,551,230,648.52 - Step 6: Final answer
x = 1,786,334,419.35
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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.