Finding the Fourth Proportional to 862,320,549.12, 1,293,491,088.11 and 240,497,947.82
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Solution
The fourth proportional to 862,320,549.12, 1,293,491,088.11 and 240,497,947.82 is: 360,749,784.44
Step by Step Solution
- Step 1: Write the proportion equation
862,320,549.12 : 1,293,491,088.11 = 240,497,947.82 : x - Step 2: Convert to fraction form
862,320,549.12/1,293,491,088.11 = 240,497,947.82/x - Step 3: Cross multiply
862,320,549.12x = 1,293,491,088.11 × 240,497,947.82 - Step 4: Simplify right side
862,320,549.12x = 311,081,952,213,913,792 - Step 5: Solve for x
x = 311,081,952,213,913,792/862,320,549.12 - Step 6: Final answer
x = 360,749,784.44
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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.