Finding the Fourth Proportional to 5,635,190,751.47, 8,452,781,270.54 and 1,438,143,229.44
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Solution
The fourth proportional to 5,635,190,751.47, 8,452,781,270.54 and 1,438,143,229.44 is: 2,157,213,604.71
Step by Step Solution
- Step 1: Write the proportion equation
5,635,190,751.47 : 8,452,781,270.54 = 1,438,143,229.44 : x - Step 2: Convert to fraction form
5,635,190,751.47/8,452,781,270.54 = 1,438,143,229.44/x - Step 3: Cross multiply
5,635,190,751.47x = 8,452,781,270.54 × 1,438,143,229.44 - Step 4: Simplify right side
5,635,190,751.47x = 12,156,310,154,188,427,264 - Step 5: Solve for x
x = 12,156,310,154,188,427,264/5,635,190,751.47 - Step 6: Final answer
x = 2,157,213,604.71
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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.