Finding the Fourth Proportional to 2,678,813,888.57, 3,696,970,231.50 and 1,607,157,548.53
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Solution
The fourth proportional to 2,678,813,888.57, 3,696,970,231.50 and 1,607,157,548.53 is: 2,218,001,646.03
Step by Step Solution
- Step 1: Write the proportion equation
2,678,813,888.57 : 3,696,970,231.50 = 1,607,157,548.53 : x - Step 2: Convert to fraction form
2,678,813,888.57/3,696,970,231.50 = 1,607,157,548.53/x - Step 3: Cross multiply
2,678,813,888.57x = 3,696,970,231.50 × 1,607,157,548.53 - Step 4: Simplify right side
2,678,813,888.57x = 5,941,613,614,251,441,152 - Step 5: Solve for x
x = 5,941,613,614,251,441,152/2,678,813,888.57 - Step 6: Final answer
x = 2,218,001,646.03
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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.