Finding the Fourth Proportional to 1,423,589,625.80, 2,135,384,438.70 and 1,117,824,864.20
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Solution
The fourth proportional to 1,423,589,625.80, 2,135,384,438.70 and 1,117,824,864.20 is: 1,676,737,296.30
Step by Step Solution
- Step 1: Write the proportion equation
1,423,589,625.80 : 2,135,384,438.70 = 1,117,824,864.20 : x - Step 2: Convert to fraction form
1,423,589,625.80/2,135,384,438.70 = 1,117,824,864.20/x - Step 3: Cross multiply
1,423,589,625.80x = 2,135,384,438.70 × 1,117,824,864.20 - Step 4: Simplify right side
1,423,589,625.80x = 2,386,985,820,204,620,800 - Step 5: Solve for x
x = 2,386,985,820,204,620,800/1,423,589,625.80 - Step 6: Final answer
x = 1,676,737,296.30
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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.