Finding the Fourth Proportional to 2,563,862,186.20, 3,845,793,279.30 and 2,391,869,507.80
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Solution
The fourth proportional to 2,563,862,186.20, 3,845,793,279.30 and 2,391,869,507.80 is: 3,587,804,261.70
Step by Step Solution
- Step 1: Write the proportion equation
2,563,862,186.20 : 3,845,793,279.30 = 2,391,869,507.80 : x - Step 2: Convert to fraction form
2,563,862,186.20/3,845,793,279.30 = 2,391,869,507.80/x - Step 3: Cross multiply
2,563,862,186.20x = 3,845,793,279.30 × 2,391,869,507.80 - Step 4: Simplify right side
2,563,862,186.20x = 9,198,635,678,059,840,512 - Step 5: Solve for x
x = 9,198,635,678,059,840,512/2,563,862,186.20 - Step 6: Final answer
x = 3,587,804,261.70
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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.