Finding the Fourth Proportional to 3,096,343,813.07, 4,272,816,624.21 and 1,808,975,005.61
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Solution
The fourth proportional to 3,096,343,813.07, 4,272,816,624.21 and 1,808,975,005.61 is: 2,496,304,978.83
Step by Step Solution
- Step 1: Write the proportion equation
3,096,343,813.07 : 4,272,816,624.21 = 1,808,975,005.61 : x - Step 2: Convert to fraction form
3,096,343,813.07/4,272,816,624.21 = 1,808,975,005.61/x - Step 3: Cross multiply
3,096,343,813.07x = 4,272,816,624.21 × 1,808,975,005.61 - Step 4: Simplify right side
3,096,343,813.07x = 7,729,418,476,729,421,824 - Step 5: Solve for x
x = 7,729,418,476,729,421,824/3,096,343,813.07 - Step 6: Final answer
x = 2,496,304,978.83
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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.