Finding the Fourth Proportional to 2,521,747,365.20, 3,779,435,998.20 and 1,226,493,861.20
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Solution
The fourth proportional to 2,521,747,365.20, 3,779,435,998.20 and 1,226,493,861.20 is: 1,838,191,689.84
Step by Step Solution
- Step 1: Write the proportion equation
2,521,747,365.20 : 3,779,435,998.20 = 1,226,493,861.20 : x - Step 2: Convert to fraction form
2,521,747,365.20/3,779,435,998.20 = 1,226,493,861.20/x - Step 3: Cross multiply
2,521,747,365.20x = 3,779,435,998.20 × 1,226,493,861.20 - Step 4: Simplify right side
2,521,747,365.20x = 4,635,455,050,590,594,048 - Step 5: Solve for x
x = 4,635,455,050,590,594,048/2,521,747,365.20 - Step 6: Final answer
x = 1,838,191,689.84
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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.