Finding the Fourth Proportional to 127,320,543,674.55, 175,702,896,514.98 and 69,450,184,626.12
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Solution
The fourth proportional to 127,320,543,674.55, 175,702,896,514.98 and 69,450,184,626.12 is: 95,841,552,746.59
Step by Step Solution
- Step 1: Write the proportion equation
127,320,543,674.55 : 175,702,896,514.98 = 69,450,184,626.12 : x - Step 2: Convert to fraction form
127,320,543,674.55/175,702,896,514.98 = 69,450,184,626.12/x - Step 3: Cross multiply
127,320,543,674.55x = 175,702,896,514.98 × 69,450,184,626.12 - Step 4: Simplify right side
127,320,543,674.55x = 12,202,598,602,309,418,090,496 - Step 5: Solve for x
x = 12,202,598,602,309,418,090,496/127,320,543,674.55 - Step 6: Final answer
x = 95,841,552,746.59
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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.