Finding the Fourth Proportional to 3,551,230,646.58, 5,328,028,978.93 and 1,190,625,191.76
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Solution
The fourth proportional to 3,551,230,646.58, 5,328,028,978.93 and 1,190,625,191.76 is: 1,786,334,416.45
Step by Step Solution
- Step 1: Write the proportion equation
3,551,230,646.58 : 5,328,028,978.93 = 1,190,625,191.76 : x - Step 2: Convert to fraction form
3,551,230,646.58/5,328,028,978.93 = 1,190,625,191.76/x - Step 3: Cross multiply
3,551,230,646.58x = 5,328,028,978.93 × 1,190,625,191.76 - Step 4: Simplify right side
3,551,230,646.58x = 6,343,685,524,741,368,832 - Step 5: Solve for x
x = 6,343,685,524,741,368,832/3,551,230,646.58 - Step 6: Final answer
x = 1,786,334,416.45
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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.