Finding the Fourth Proportional to 2,560,712,591.44, 3,533,786,961.96 and 1,387,290,863.44
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Solution
The fourth proportional to 2,560,712,591.44, 3,533,786,961.96 and 1,387,290,863.44 is: 1,914,463,334.17
Step by Step Solution
- Step 1: Write the proportion equation
2,560,712,591.44 : 3,533,786,961.96 = 1,387,290,863.44 : x - Step 2: Convert to fraction form
2,560,712,591.44/3,533,786,961.96 = 1,387,290,863.44/x - Step 3: Cross multiply
2,560,712,591.44x = 3,533,786,961.96 × 1,387,290,863.44 - Step 4: Simplify right side
2,560,712,591.44x = 4,902,390,365,670,503,424 - Step 5: Solve for x
x = 4,902,390,365,670,503,424/2,560,712,591.44 - Step 6: Final answer
x = 1,914,463,334.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.