Finding the Fourth Proportional to 2,921,970,737.19, 4,382,894,699.43 and 711,192,784.73
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Solution
The fourth proportional to 2,921,970,737.19, 4,382,894,699.43 and 711,192,784.73 is: 1,066,774,231.09
Step by Step Solution
- Step 1: Write the proportion equation
2,921,970,737.19 : 4,382,894,699.43 = 711,192,784.73 : x - Step 2: Convert to fraction form
2,921,970,737.19/4,382,894,699.43 = 711,192,784.73/x - Step 3: Cross multiply
2,921,970,737.19x = 4,382,894,699.43 × 711,192,784.73 - Step 4: Simplify right side
2,921,970,737.19x = 3,117,083,086,444,063,744 - Step 5: Solve for x
x = 3,117,083,086,444,063,744/2,921,970,737.19 - Step 6: Final answer
x = 1,066,774,231.09
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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.