Finding the Fourth Proportional to 498,329,540.70, 747,494,311.05 and 239,482,344.30
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Solution
The fourth proportional to 498,329,540.70, 747,494,311.05 and 239,482,344.30 is: 359,223,516.45
Step by Step Solution
- Step 1: Write the proportion equation
498,329,540.70 : 747,494,311.05 = 239,482,344.30 : x - Step 2: Convert to fraction form
498,329,540.70/747,494,311.05 = 239,482,344.30/x - Step 3: Cross multiply
498,329,540.70x = 747,494,311.05 × 239,482,344.30 - Step 4: Simplify right side
498,329,540.70x = 179,011,689,961,167,392 - Step 5: Solve for x
x = 179,011,689,961,167,392/498,329,540.70 - Step 6: Final answer
x = 359,223,516.45
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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.