Finding the Fourth Proportional to 974,422,305.99, 1,461,719,382.60 and 274,920,561.99
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Solution
The fourth proportional to 974,422,305.99, 1,461,719,382.60 and 274,920,561.99 is: 412,405,085.21
Step by Step Solution
- Step 1: Write the proportion equation
974,422,305.99 : 1,461,719,382.60 = 274,920,561.99 : x - Step 2: Convert to fraction form
974,422,305.99/1,461,719,382.60 = 274,920,561.99/x - Step 3: Cross multiply
974,422,305.99x = 1,461,719,382.60 × 274,920,561.99 - Step 4: Simplify right side
974,422,305.99x = 401,856,714,136,067,840 - Step 5: Solve for x
x = 401,856,714,136,067,840/974,422,305.99 - Step 6: Final answer
x = 412,405,085.21
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.