Finding the Fourth Proportional to 6,166,513,579.91, 8,509,568,554.05 and 3,490,236,296.96
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Solution
The fourth proportional to 6,166,513,579.91, 8,509,568,554.05 and 3,490,236,296.96 is: 4,816,401,464.77
Step by Step Solution
- Step 1: Write the proportion equation
6,166,513,579.91 : 8,509,568,554.05 = 3,490,236,296.96 : x - Step 2: Convert to fraction form
6,166,513,579.91/8,509,568,554.05 = 3,490,236,296.96/x - Step 3: Cross multiply
6,166,513,579.91x = 8,509,568,554.05 × 3,490,236,296.96 - Step 4: Simplify right side
6,166,513,579.91x = 29,700,405,038,814,736,384 - Step 5: Solve for x
x = 29,700,405,038,814,736,384/6,166,513,579.91 - Step 6: Final answer
x = 4,816,401,464.77
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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.