Finding the Fourth Proportional to 88,888,409,450.75, 122,666,126,514.12 and 48,243,321,552.63
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Solution
The fourth proportional to 88,888,409,450.75, 122,666,126,514.12 and 48,243,321,552.63 is: 66,575,849,670.43
Step by Step Solution
- Step 1: Write the proportion equation
88,888,409,450.75 : 122,666,126,514.12 = 48,243,321,552.63 : x - Step 2: Convert to fraction form
88,888,409,450.75/122,666,126,514.12 = 48,243,321,552.63/x - Step 3: Cross multiply
88,888,409,450.75x = 122,666,126,514.12 × 48,243,321,552.63 - Step 4: Simplify right side
88,888,409,450.75x = 5,917,821,385,036,283,248,640 - Step 5: Solve for x
x = 5,917,821,385,036,283,248,640/88,888,409,450.75 - Step 6: Final answer
x = 66,575,849,670.43
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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.