Finding the Fourth Proportional to 2,191,440,930.95, 3,024,107,463.80 and 1,187,836,950.02
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Solution
The fourth proportional to 2,191,440,930.95, 3,024,107,463.80 and 1,187,836,950.02 is: 1,639,171,074.88
Step by Step Solution
- Step 1: Write the proportion equation
2,191,440,930.95 : 3,024,107,463.80 = 1,187,836,950.02 : x - Step 2: Convert to fraction form
2,191,440,930.95/3,024,107,463.80 = 1,187,836,950.02/x - Step 3: Cross multiply
2,191,440,930.95x = 3,024,107,463.80 × 1,187,836,950.02 - Step 4: Simplify right side
2,191,440,930.95x = 3,592,146,586,311,850,496 - Step 5: Solve for x
x = 3,592,146,586,311,850,496/2,191,440,930.95 - Step 6: Final answer
x = 1,639,171,074.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.