Finding the Fourth Proportional to 896,889,345.30, 1,345,334,017.95 and 806,491,231.20
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Solution
The fourth proportional to 896,889,345.30, 1,345,334,017.95 and 806,491,231.20 is: 1,209,736,846.80
Step by Step Solution
- Step 1: Write the proportion equation
896,889,345.30 : 1,345,334,017.95 = 806,491,231.20 : x - Step 2: Convert to fraction form
896,889,345.30/1,345,334,017.95 = 806,491,231.20/x - Step 3: Cross multiply
896,889,345.30x = 1,345,334,017.95 × 806,491,231.20 - Step 4: Simplify right side
896,889,345.30x = 1,085,000,088,511,738,496 - Step 5: Solve for x
x = 1,085,000,088,511,738,496/896,889,345.30 - Step 6: Final answer
x = 1,209,736,846.80
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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.