Finding the Fourth Proportional to 1,475,491,205.80, 2,213,236,808.70 and 384,974,273.80
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Solution
The fourth proportional to 1,475,491,205.80, 2,213,236,808.70 and 384,974,273.80 is: 577,461,410.70
Step by Step Solution
- Step 1: Write the proportion equation
1,475,491,205.80 : 2,213,236,808.70 = 384,974,273.80 : x - Step 2: Convert to fraction form
1,475,491,205.80/2,213,236,808.70 = 384,974,273.80/x - Step 3: Cross multiply
1,475,491,205.80x = 2,213,236,808.70 × 384,974,273.80 - Step 4: Simplify right side
1,475,491,205.80x = 852,039,233,176,711,936 - Step 5: Solve for x
x = 852,039,233,176,711,936/1,475,491,205.80 - Step 6: Final answer
x = 577,461,410.70
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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.