Finding the Fourth Proportional to 169,312,586,929.48, 233,656,331,563.84 and 92,155,424,141.09
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Solution
The fourth proportional to 169,312,586,929.48, 233,656,331,563.84 and 92,155,424,141.09 is: 127,177,185,872.70
Step by Step Solution
- Step 1: Write the proportion equation
169,312,586,929.48 : 233,656,331,563.84 = 92,155,424,141.09 : x - Step 2: Convert to fraction form
169,312,586,929.48/233,656,331,563.84 = 92,155,424,141.09/x - Step 3: Cross multiply
169,312,586,929.48x = 233,656,331,563.84 × 92,155,424,141.09 - Step 4: Simplify right side
169,312,586,929.48x = 21,532,698,338,517,294,514,176 - Step 5: Solve for x
x = 21,532,698,338,517,294,514,176/169,312,586,929.48 - Step 6: Final answer
x = 127,177,185,872.70
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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.