Finding the Fourth Proportional to 2,803,419,078.70, 4,205,128,618.05 and 1,167,431,104.30
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Solution
The fourth proportional to 2,803,419,078.70, 4,205,128,618.05 and 1,167,431,104.30 is: 1,751,146,656.45
Step by Step Solution
- Step 1: Write the proportion equation
2,803,419,078.70 : 4,205,128,618.05 = 1,167,431,104.30 : x - Step 2: Convert to fraction form
2,803,419,078.70/4,205,128,618.05 = 1,167,431,104.30/x - Step 3: Cross multiply
2,803,419,078.70x = 4,205,128,618.05 × 1,167,431,104.30 - Step 4: Simplify right side
2,803,419,078.70x = 4,909,197,946,293,644,288 - Step 5: Solve for x
x = 4,909,197,946,293,644,288/2,803,419,078.70 - Step 6: Final answer
x = 1,751,146,656.45
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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.