Finding the Fourth Proportional to 11,190,144,960.76, 15,449,369,207.94 and 7,123,341,305.84
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Solution
The fourth proportional to 11,190,144,960.76, 15,449,369,207.94 and 7,123,341,305.84 is: 9,834,647,380.71
Step by Step Solution
- Step 1: Write the proportion equation
11,190,144,960.76 : 15,449,369,207.94 = 7,123,341,305.84 : x - Step 2: Convert to fraction form
11,190,144,960.76/15,449,369,207.94 = 7,123,341,305.84/x - Step 3: Cross multiply
11,190,144,960.76x = 15,449,369,207.94 × 7,123,341,305.84 - Step 4: Simplify right side
11,190,144,960.76x = 110,051,129,828,091,609,088 - Step 5: Solve for x
x = 110,051,129,828,091,609,088/11,190,144,960.76 - Step 6: Final answer
x = 9,834,647,380.71
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Double scale
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1.5x scale
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.