Finding the Fourth Proportional to 5,379,248,314.70, 8,068,872,472.05 and 2,106,609,850.70
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Solution
The fourth proportional to 5,379,248,314.70, 8,068,872,472.05 and 2,106,609,850.70 is: 3,159,914,776.05
Step by Step Solution
- Step 1: Write the proportion equation
5,379,248,314.70 : 8,068,872,472.05 = 2,106,609,850.70 : x - Step 2: Convert to fraction form
5,379,248,314.70/8,068,872,472.05 = 2,106,609,850.70/x - Step 3: Cross multiply
5,379,248,314.70x = 8,068,872,472.05 × 2,106,609,850.70 - Step 4: Simplify right side
5,379,248,314.70x = 16,997,966,233,662,590,976 - Step 5: Solve for x
x = 16,997,966,233,662,590,976/5,379,248,314.70 - Step 6: Final answer
x = 3,159,914,776.05
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1.5x scale
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.