Finding the Fourth Proportional to 2,258,318,990.92, 3,116,564,314.41 and 1,354,222,121.18
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Solution
The fourth proportional to 2,258,318,990.92, 3,116,564,314.41 and 1,354,222,121.18 is: 1,868,876,962.74
Step by Step Solution
- Step 1: Write the proportion equation
2,258,318,990.92 : 3,116,564,314.41 = 1,354,222,121.18 : x - Step 2: Convert to fraction form
2,258,318,990.92/3,116,564,314.41 = 1,354,222,121.18/x - Step 3: Cross multiply
2,258,318,990.92x = 3,116,564,314.41 × 1,354,222,121.18 - Step 4: Simplify right side
2,258,318,990.92x = 4,220,520,336,654,202,880 - Step 5: Solve for x
x = 4,220,520,336,654,202,880/2,258,318,990.92 - Step 6: Final answer
x = 1,868,876,962.74
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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.