Finding the Fourth Proportional to 2,477,386,949.18, 3,418,793,799.69 and 1,348,364,808.09
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Solution
The fourth proportional to 2,477,386,949.18, 3,418,793,799.69 and 1,348,364,808.09 is: 1,860,743,331.66
Step by Step Solution
- Step 1: Write the proportion equation
2,477,386,949.18 : 3,418,793,799.69 = 1,348,364,808.09 : x - Step 2: Convert to fraction form
2,477,386,949.18/3,418,793,799.69 = 1,348,364,808.09/x - Step 3: Cross multiply
2,477,386,949.18x = 3,418,793,799.69 × 1,348,364,808.09 - Step 4: Simplify right side
2,477,386,949.18x = 4,609,781,245,618,288,640 - Step 5: Solve for x
x = 4,609,781,245,618,288,640/2,477,386,949.18 - Step 6: Final answer
x = 1,860,743,331.66
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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.