Finding the Fourth Proportional to 5,379,248,422.70, 8,068,872,634.05 and 2,106,609,958.70
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Solution
The fourth proportional to 5,379,248,422.70, 8,068,872,634.05 and 2,106,609,958.70 is: 3,159,914,938.05
Step by Step Solution
- Step 1: Write the proportion equation
5,379,248,422.70 : 8,068,872,634.05 = 2,106,609,958.70 : x - Step 2: Convert to fraction form
5,379,248,422.70/8,068,872,634.05 = 2,106,609,958.70/x - Step 3: Cross multiply
5,379,248,422.70x = 8,068,872,634.05 × 2,106,609,958.70 - Step 4: Simplify right side
5,379,248,422.70x = 16,997,967,446,371,631,104 - Step 5: Solve for x
x = 16,997,967,446,371,631,104/5,379,248,422.70 - Step 6: Final answer
x = 3,159,914,938.05
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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.