Finding the Fourth Proportional to 2,791,449,728.36, 3,852,201,231.84 and 1,521,291,013.04
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Solution
The fourth proportional to 2,791,449,728.36, 3,852,201,231.84 and 1,521,291,013.04 is: 2,099,381,928.64
Step by Step Solution
- Step 1: Write the proportion equation
2,791,449,728.36 : 3,852,201,231.84 = 1,521,291,013.04 : x - Step 2: Convert to fraction form
2,791,449,728.36/3,852,201,231.84 = 1,521,291,013.04/x - Step 3: Cross multiply
2,791,449,728.36x = 3,852,201,231.84 × 1,521,291,013.04 - Step 4: Simplify right side
2,791,449,728.36x = 5,860,319,114,419,809,280 - Step 5: Solve for x
x = 5,860,319,114,419,809,280/2,791,449,728.36 - Step 6: Final answer
x = 2,099,381,928.64
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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.