Finding the Fourth Proportional to 2,227,691,523.32, 3,341,537,904.17 and 828,492,979.12
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Solution
The fourth proportional to 2,227,691,523.32, 3,341,537,904.17 and 828,492,979.12 is: 1,242,739,698.96
Step by Step Solution
- Step 1: Write the proportion equation
2,227,691,523.32 : 3,341,537,904.17 = 828,492,979.12 : x - Step 2: Convert to fraction form
2,227,691,523.32/3,341,537,904.17 = 828,492,979.12/x - Step 3: Cross multiply
2,227,691,523.32x = 3,341,537,904.17 × 828,492,979.12 - Step 4: Simplify right side
2,227,691,523.32x = 2,768,440,693,061,921,792 - Step 5: Solve for x
x = 2,768,440,693,061,921,792/2,227,691,523.32 - Step 6: Final answer
x = 1,242,739,698.96
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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.