Finding the Fourth Proportional to 3,982,730,110.80, 5,974,095,166.20 and 3,438,086,629.20
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Solution
The fourth proportional to 3,982,730,110.80, 5,974,095,166.20 and 3,438,086,629.20 is: 5,157,129,943.80
Step by Step Solution
- Step 1: Write the proportion equation
3,982,730,110.80 : 5,974,095,166.20 = 3,438,086,629.20 : x - Step 2: Convert to fraction form
3,982,730,110.80/5,974,095,166.20 = 3,438,086,629.20/x - Step 3: Cross multiply
3,982,730,110.80x = 5,974,095,166.20 × 3,438,086,629.20 - Step 4: Simplify right side
3,982,730,110.80x = 20,539,456,712,480,571,392 - Step 5: Solve for x
x = 20,539,456,712,480,571,392/3,982,730,110.80 - Step 6: Final answer
x = 5,157,129,943.80
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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.