Finding the Fourth Proportional to 311,752,759,555.98, 430,218,790,614.36 and 169,182,019,603.98
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Solution
The fourth proportional to 311,752,759,555.98, 430,218,790,614.36 and 169,182,019,603.98 is: 233,471,177,517.03
Step by Step Solution
- Step 1: Write the proportion equation
311,752,759,555.98 : 430,218,790,614.36 = 169,182,019,603.98 : x - Step 2: Convert to fraction form
311,752,759,555.98/430,218,790,614.36 = 169,182,019,603.98/x - Step 3: Cross multiply
311,752,759,555.98x = 430,218,790,614.36 × 169,182,019,603.98 - Step 4: Simplify right side
311,752,759,555.98x = 72,785,283,867,719,220,854,784 - Step 5: Solve for x
x = 72,785,283,867,719,220,854,784/311,752,759,555.98 - Step 6: Final answer
x = 233,471,177,517.03
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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.