Finding the Fourth Proportional to 2,279,780,316.21, 3,144,474,979.99 and 2,092,214,304.84
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Solution
The fourth proportional to 2,279,780,316.21, 3,144,474,979.99 and 2,092,214,304.84 is: 2,885,767,320.46
Step by Step Solution
- Step 1: Write the proportion equation
2,279,780,316.21 : 3,144,474,979.99 = 2,092,214,304.84 : x - Step 2: Convert to fraction form
2,279,780,316.21/3,144,474,979.99 = 2,092,214,304.84/x - Step 3: Cross multiply
2,279,780,316.21x = 3,144,474,979.99 × 2,092,214,304.84 - Step 4: Simplify right side
2,279,780,316.21x = 6,578,915,534,341,320,704 - Step 5: Solve for x
x = 6,578,915,534,341,320,704/2,279,780,316.21 - Step 6: Final answer
x = 2,885,767,320.46
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1.5x scale
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.