Finding the Fourth Proportional to 85,591,995,066.79, 128,276,306,537.22 and 47,817,044,562.44
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Solution
The fourth proportional to 85,591,995,066.79, 128,276,306,537.22 and 47,817,044,562.44 is: 71,663,172,019.88
Step by Step Solution
- Step 1: Write the proportion equation
85,591,995,066.79 : 128,276,306,537.22 = 47,817,044,562.44 : x - Step 2: Convert to fraction form
85,591,995,066.79/128,276,306,537.22 = 47,817,044,562.44/x - Step 3: Cross multiply
85,591,995,066.79x = 128,276,306,537.22 × 47,817,044,562.44 - Step 4: Simplify right side
85,591,995,066.79x = 6,133,793,865,995,719,278,592 - Step 5: Solve for x
x = 6,133,793,865,995,719,278,592/85,591,995,066.79 - Step 6: Final answer
x = 71,663,172,019.88
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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.