Finding the Fourth Proportional to 442,754,711.20, 663,236,271.60 and 306,593,840.80
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Solution
The fourth proportional to 442,754,711.20, 663,236,271.60 and 306,593,840.80 is: 459,270,450.94
Step by Step Solution
- Step 1: Write the proportion equation
442,754,711.20 : 663,236,271.60 = 306,593,840.80 : x - Step 2: Convert to fraction form
442,754,711.20/663,236,271.60 = 306,593,840.80/x - Step 3: Cross multiply
442,754,711.20x = 663,236,271.60 × 306,593,840.80 - Step 4: Simplify right side
442,754,711.20x = 203,344,155,867,715,968 - Step 5: Solve for x
x = 203,344,155,867,715,968/442,754,711.20 - Step 6: Final answer
x = 459,270,450.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.