Finding the Fourth Proportional to 797,163,902.10, 1,195,745,853.15 and 746,145,566.10
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Solution
The fourth proportional to 797,163,902.10, 1,195,745,853.15 and 746,145,566.10 is: 1,119,218,349.15
Step by Step Solution
- Step 1: Write the proportion equation
797,163,902.10 : 1,195,745,853.15 = 746,145,566.10 : x - Step 2: Convert to fraction form
797,163,902.10/1,195,745,853.15 = 746,145,566.10/x - Step 3: Cross multiply
797,163,902.10x = 1,195,745,853.15 × 746,145,566.10 - Step 4: Simplify right side
797,163,902.10x = 892,200,466,510,334,336 - Step 5: Solve for x
x = 892,200,466,510,334,336/797,163,902.10 - Step 6: Final answer
x = 1,119,218,349.15
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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.