Finding the Fourth Proportional to 304,868,723.70, 457,303,085.55 and 299,560,307.70
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Solution
The fourth proportional to 304,868,723.70, 457,303,085.55 and 299,560,307.70 is: 449,340,461.55
Step by Step Solution
- Step 1: Write the proportion equation
304,868,723.70 : 457,303,085.55 = 299,560,307.70 : x - Step 2: Convert to fraction form
304,868,723.70/457,303,085.55 = 299,560,307.70/x - Step 3: Cross multiply
304,868,723.70x = 457,303,085.55 × 299,560,307.70 - Step 4: Simplify right side
304,868,723.70x = 136,989,853,019,517,424 - Step 5: Solve for x
x = 136,989,853,019,517,424/304,868,723.70 - Step 6: Final answer
x = 449,340,461.55
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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.