Finding the Fourth Proportional to 2,377,555,418.85, 3,563,230,737.64 and 1,328,251,238.18
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Solution
The fourth proportional to 2,377,555,418.85, 3,563,230,737.64 and 1,328,251,238.18 is: 1,990,643,667.72
Step by Step Solution
- Step 1: Write the proportion equation
2,377,555,418.85 : 3,563,230,737.64 = 1,328,251,238.18 : x - Step 2: Convert to fraction form
2,377,555,418.85/3,563,230,737.64 = 1,328,251,238.18/x - Step 3: Cross multiply
2,377,555,418.85x = 3,563,230,737.64 × 1,328,251,238.18 - Step 4: Simplify right side
2,377,555,418.85x = 4,732,865,639,191,364,608 - Step 5: Solve for x
x = 4,732,865,639,191,364,608/2,377,555,418.85 - Step 6: Final answer
x = 1,990,643,667.72
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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.