Finding the Fourth Proportional to 1,696,717,872.72, 2,341,433,958.12 and 982,283,713.20
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Solution
The fourth proportional to 1,696,717,872.72, 2,341,433,958.12 and 982,283,713.20 is: 1,355,530,273.81
Step by Step Solution
- Step 1: Write the proportion equation
1,696,717,872.72 : 2,341,433,958.12 = 982,283,713.20 : x - Step 2: Convert to fraction form
1,696,717,872.72/2,341,433,958.12 = 982,283,713.20/x - Step 3: Cross multiply
1,696,717,872.72x = 2,341,433,958.12 × 982,283,713.20 - Step 4: Simplify right side
1,696,717,872.72x = 2,299,952,442,594,686,976 - Step 5: Solve for x
x = 2,299,952,442,594,686,976/1,696,717,872.72 - Step 6: Final answer
x = 1,355,530,273.81
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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.