Finding the Fourth Proportional to 2,578,149,679.76, 3,868,725,269.80 and 1,084,073,101.41
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Solution
The fourth proportional to 2,578,149,679.76, 3,868,725,269.80 and 1,084,073,101.41 is: 1,626,740,694.95
Step by Step Solution
- Step 1: Write the proportion equation
2,578,149,679.76 : 3,868,725,269.80 = 1,084,073,101.41 : x - Step 2: Convert to fraction form
2,578,149,679.76/3,868,725,269.80 = 1,084,073,101.41/x - Step 3: Cross multiply
2,578,149,679.76x = 3,868,725,269.80 × 1,084,073,101.41 - Step 4: Simplify right side
2,578,149,679.76x = 4,193,981,001,735,325,696 - Step 5: Solve for x
x = 4,193,981,001,735,325,696/2,578,149,679.76 - Step 6: Final answer
x = 1,626,740,694.95
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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.