Finding the Fourth Proportional to 1,251,544,110, 1,727,218,167.71 and 827,420,894.11
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Solution
The fourth proportional to 1,251,544,110, 1,727,218,167.71 and 827,420,894.11 is: 1,141,898,546.95
Step by Step Solution
- Step 1: Write the proportion equation
1,251,544,110 : 1,727,218,167.71 = 827,420,894.11 : x - Step 2: Convert to fraction form
1,251,544,110/1,727,218,167.71 = 827,420,894.11/x - Step 3: Cross multiply
1,251,544,110x = 1,727,218,167.71 × 827,420,894.11 - Step 4: Simplify right side
1,251,544,110x = 1,429,136,400,649,644,288 - Step 5: Solve for x
x = 1,429,136,400,649,644,288/1,251,544,110 - Step 6: Final answer
x = 1,141,898,546.95
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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.