Finding the Fourth Proportional to 6,689,904,311.40, 10,032,708,133.08 and 2,206,991,230.26
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Solution
The fourth proportional to 6,689,904,311.40, 10,032,708,133.08 and 2,206,991,230.26 is: 3,309,778,112.63
Step by Step Solution
- Step 1: Write the proportion equation
6,689,904,311.40 : 10,032,708,133.08 = 2,206,991,230.26 : x - Step 2: Convert to fraction form
6,689,904,311.40/10,032,708,133.08 = 2,206,991,230.26/x - Step 3: Cross multiply
6,689,904,311.40x = 10,032,708,133.08 × 2,206,991,230.26 - Step 4: Simplify right side
6,689,904,311.40x = 22,142,098,865,465,737,216 - Step 5: Solve for x
x = 22,142,098,865,465,737,216/6,689,904,311.40 - Step 6: Final answer
x = 3,309,778,112.63
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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.