Finding the Fourth Proportional to 2,728,402,021.24, 4,091,036,420.58 and 1,068,365,678.20
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Solution
The fourth proportional to 2,728,402,021.24, 4,091,036,420.58 and 1,068,365,678.20 is: 1,601,935,076.28
Step by Step Solution
- Step 1: Write the proportion equation
2,728,402,021.24 : 4,091,036,420.58 = 1,068,365,678.20 : x - Step 2: Convert to fraction form
2,728,402,021.24/4,091,036,420.58 = 1,068,365,678.20/x - Step 3: Cross multiply
2,728,402,021.24x = 4,091,036,420.58 × 1,068,365,678.20 - Step 4: Simplify right side
2,728,402,021.24x = 4,370,722,900,013,852,160 - Step 5: Solve for x
x = 4,370,722,900,013,852,160/2,728,402,021.24 - Step 6: Final answer
x = 1,601,935,076.28
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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.