Finding the Fourth Proportional to 597,986,336.80, 896,979,505.20 and 444,931,328.80
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Solution
The fourth proportional to 597,986,336.80, 896,979,505.20 and 444,931,328.80 is: 667,396,993.20
Step by Step Solution
- Step 1: Write the proportion equation
597,986,336.80 : 896,979,505.20 = 444,931,328.80 : x - Step 2: Convert to fraction form
597,986,336.80/896,979,505.20 = 444,931,328.80/x - Step 3: Cross multiply
597,986,336.80x = 896,979,505.20 × 444,931,328.80 - Step 4: Simplify right side
597,986,336.80x = 399,094,283,155,002,560 - Step 5: Solve for x
x = 399,094,283,155,002,560/597,986,336.80 - Step 6: Final answer
x = 667,396,993.20
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Double scale
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Similar ratio
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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.