Finding the Fourth Proportional to 868,473,731.82, 1,198,503,007.32 and 471,996,750.07
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Solution
The fourth proportional to 868,473,731.82, 1,198,503,007.32 and 471,996,750.07 is: 651,360,546.30
Step by Step Solution
- Step 1: Write the proportion equation
868,473,731.82 : 1,198,503,007.32 = 471,996,750.07 : x - Step 2: Convert to fraction form
868,473,731.82/1,198,503,007.32 = 471,996,750.07/x - Step 3: Cross multiply
868,473,731.82x = 1,198,503,007.32 × 471,996,750.07 - Step 4: Simplify right side
868,473,731.82x = 565,689,524,407,465,152 - Step 5: Solve for x
x = 565,689,524,407,465,152/868,473,731.82 - Step 6: Final answer
x = 651,360,546.30
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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.