Finding the Fourth Proportional to 7,433,531,972.40, 11,146,222,415.68 and 2,947,081,641.12
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Solution
The fourth proportional to 7,433,531,972.40, 11,146,222,415.68 and 2,947,081,641.12 is: 4,419,006,680.95
Step by Step Solution
- Step 1: Write the proportion equation
7,433,531,972.40 : 11,146,222,415.68 = 2,947,081,641.12 : x - Step 2: Convert to fraction form
7,433,531,972.40/11,146,222,415.68 = 2,947,081,641.12/x - Step 3: Cross multiply
7,433,531,972.40x = 11,146,222,415.68 × 2,947,081,641.12 - Step 4: Simplify right side
7,433,531,972.40x = 32,848,827,449,090,744,320 - Step 5: Solve for x
x = 32,848,827,449,090,744,320/7,433,531,972.40 - Step 6: Final answer
x = 4,419,006,680.95
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1.5x scale
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.