Finding the Fourth Proportional to 522,676,862.53, 784,011,806.14 and 211,779,891.73
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Solution
The fourth proportional to 522,676,862.53, 784,011,806.14 and 211,779,891.73 is: 317,668,424.45
Step by Step Solution
- Step 1: Write the proportion equation
522,676,862.53 : 784,011,806.14 = 211,779,891.73 : x - Step 2: Convert to fraction form
522,676,862.53/784,011,806.14 = 211,779,891.73/x - Step 3: Cross multiply
522,676,862.53x = 784,011,806.14 × 211,779,891.73 - Step 4: Simplify right side
522,676,862.53x = 166,037,935,414,392,000 - Step 5: Solve for x
x = 166,037,935,414,392,000/522,676,862.53 - Step 6: Final answer
x = 317,668,424.45
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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.