Finding the Fourth Proportional to 4,284,463,687.68, 5,912,360,868.24 and 2,379,346,124.16
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Solution
The fourth proportional to 4,284,463,687.68, 5,912,360,868.24 and 2,379,346,124.16 is: 3,283,387,126.59
Step by Step Solution
- Step 1: Write the proportion equation
4,284,463,687.68 : 5,912,360,868.24 = 2,379,346,124.16 : x - Step 2: Convert to fraction form
4,284,463,687.68/5,912,360,868.24 = 2,379,346,124.16/x - Step 3: Cross multiply
4,284,463,687.68x = 5,912,360,868.24 × 2,379,346,124.16 - Step 4: Simplify right side
4,284,463,687.68x = 14,067,552,916,482,095,104 - Step 5: Solve for x
x = 14,067,552,916,482,095,104/4,284,463,687.68 - Step 6: Final answer
x = 3,283,387,126.59
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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.