Finding the Fourth Proportional to 8,972,173,348.62, 13,460,586,955.96 and 4,771,672,071.54
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Solution
The fourth proportional to 8,972,173,348.62, 13,460,586,955.96 and 4,771,672,071.54 is: 7,158,745,640.39
Step by Step Solution
- Step 1: Write the proportion equation
8,972,173,348.62 : 13,460,586,955.96 = 4,771,672,071.54 : x - Step 2: Convert to fraction form
8,972,173,348.62/13,460,586,955.96 = 4,771,672,071.54/x - Step 3: Cross multiply
8,972,173,348.62x = 13,460,586,955.96 × 4,771,672,071.54 - Step 4: Simplify right side
8,972,173,348.62x = 64,229,506,844,289,949,696 - Step 5: Solve for x
x = 64,229,506,844,289,949,696/8,972,173,348.62 - Step 6: Final answer
x = 7,158,745,640.39
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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.