Finding the Fourth Proportional to 992,407,046.26, 1,368,506,612.46 and 657,763,372.48
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Solution
The fourth proportional to 992,407,046.26, 1,368,506,612.46 and 657,763,372.48 is: 907,040,642.31
Step by Step Solution
- Step 1: Write the proportion equation
992,407,046.26 : 1,368,506,612.46 = 657,763,372.48 : x - Step 2: Convert to fraction form
992,407,046.26/1,368,506,612.46 = 657,763,372.48/x - Step 3: Cross multiply
992,407,046.26x = 1,368,506,612.46 × 657,763,372.48 - Step 4: Simplify right side
992,407,046.26x = 900,153,524,672,870,016 - Step 5: Solve for x
x = 900,153,524,672,870,016/992,407,046.26 - Step 6: Final answer
x = 907,040,642.31
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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.