Finding the Fourth Proportional to 922,786,173.06, 1,273,452,860.19 and 526,329,244.26
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Solution
The fourth proportional to 922,786,173.06, 1,273,452,860.19 and 526,329,244.26 is: 726,338,886.59
Step by Step Solution
- Step 1: Write the proportion equation
922,786,173.06 : 1,273,452,860.19 = 526,329,244.26 : x - Step 2: Convert to fraction form
922,786,173.06/1,273,452,860.19 = 526,329,244.26/x - Step 3: Cross multiply
922,786,173.06x = 1,273,452,860.19 × 526,329,244.26 - Step 4: Simplify right side
922,786,173.06x = 670,255,481,504,538,112 - Step 5: Solve for x
x = 670,255,481,504,538,112/922,786,173.06 - Step 6: Final answer
x = 726,338,886.59
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Double scale
Find fourth proportional to 922,786,174.06, 1,273,452,861.57 and 526,329,245.26
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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.