Finding the Fourth Proportional to 944,789,144.60, 1,417,183,716.90 and 331,435,371.80
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Solution
The fourth proportional to 944,789,144.60, 1,417,183,716.90 and 331,435,371.80 is: 497,153,057.70
Step by Step Solution
- Step 1: Write the proportion equation
944,789,144.60 : 1,417,183,716.90 = 331,435,371.80 : x - Step 2: Convert to fraction form
944,789,144.60/1,417,183,716.90 = 331,435,371.80/x - Step 3: Cross multiply
944,789,144.60x = 1,417,183,716.90 × 331,435,371.80 - Step 4: Simplify right side
944,789,144.60x = 469,704,812,119,657,472 - Step 5: Solve for x
x = 469,704,812,119,657,472/944,789,144.60 - Step 6: Final answer
x = 497,153,057.70
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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.