Finding the Fourth Proportional to 3,187,816,657.98, 4,398,642,160.51 and 1,849,399,937.38
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Solution
The fourth proportional to 3,187,816,657.98, 4,398,642,160.51 and 1,849,399,937.38 is: 2,551,855,833.94
Step by Step Solution
- Step 1: Write the proportion equation
3,187,816,657.98 : 4,398,642,160.51 = 1,849,399,937.38 : x - Step 2: Convert to fraction form
3,187,816,657.98/4,398,642,160.51 = 1,849,399,937.38/x - Step 3: Cross multiply
3,187,816,657.98x = 4,398,642,160.51 × 1,849,399,937.38 - Step 4: Simplify right side
3,187,816,657.98x = 8,134,848,536,204,222,464 - Step 5: Solve for x
x = 8,134,848,536,204,222,464/3,187,816,657.98 - Step 6: Final answer
x = 2,551,855,833.94
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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.