Finding the Fourth Proportional to 12,885,377,613.22, 19,330,848,397.55 and 3,922,267,767.99
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Solution
The fourth proportional to 12,885,377,613.22, 19,330,848,397.55 and 3,922,267,767.99 is: 5,884,248,477.11
Step by Step Solution
- Step 1: Write the proportion equation
12,885,377,613.22 : 19,330,848,397.55 = 3,922,267,767.99 : x - Step 2: Convert to fraction form
12,885,377,613.22/19,330,848,397.55 = 3,922,267,767.99/x - Step 3: Cross multiply
12,885,377,613.22x = 19,330,848,397.55 × 3,922,267,767.99 - Step 4: Simplify right side
12,885,377,613.22x = 75,820,763,597,611,499,520 - Step 5: Solve for x
x = 75,820,763,597,611,499,520/12,885,377,613.22 - Step 6: Final answer
x = 5,884,248,477.11
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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.