Finding the Fourth Proportional to 2,117,373,128.27, 3,175,385,864.32 and 699,006,167.44
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Solution
The fourth proportional to 2,117,373,128.27, 3,175,385,864.32 and 699,006,167.44 is: 1,048,286,800.99
Step by Step Solution
- Step 1: Write the proportion equation
2,117,373,128.27 : 3,175,385,864.32 = 699,006,167.44 : x - Step 2: Convert to fraction form
2,117,373,128.27/3,175,385,864.32 = 699,006,167.44/x - Step 3: Cross multiply
2,117,373,128.27x = 3,175,385,864.32 × 699,006,167.44 - Step 4: Simplify right side
2,117,373,128.27x = 2,219,614,303,150,600,960 - Step 5: Solve for x
x = 2,219,614,303,150,600,960/2,117,373,128.27 - Step 6: Final answer
x = 1,048,286,800.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.