Finding the Fourth Proportional to 7,960,438,343.16, 10,985,737,136.94 and 4,392,376,682.04
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Solution
The fourth proportional to 7,960,438,343.16, 10,985,737,136.94 and 4,392,376,682.04 is: 6,061,663,134.01
Step by Step Solution
- Step 1: Write the proportion equation
7,960,438,343.16 : 10,985,737,136.94 = 4,392,376,682.04 : x - Step 2: Convert to fraction form
7,960,438,343.16/10,985,737,136.94 = 4,392,376,682.04/x - Step 3: Cross multiply
7,960,438,343.16x = 10,985,737,136.94 × 4,392,376,682.04 - Step 4: Simplify right side
7,960,438,343.16x = 48,253,495,635,316,129,792 - Step 5: Solve for x
x = 48,253,495,635,316,129,792/7,960,438,343.16 - Step 6: Final answer
x = 6,061,663,134.01
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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.