Finding the Fourth Proportional to 743,117,371.20, 1,114,676,056.80 and 498,229,358.40
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Solution
The fourth proportional to 743,117,371.20, 1,114,676,056.80 and 498,229,358.40 is: 747,344,037.60
Step by Step Solution
- Step 1: Write the proportion equation
743,117,371.20 : 1,114,676,056.80 = 498,229,358.40 : x - Step 2: Convert to fraction form
743,117,371.20/1,114,676,056.80 = 498,229,358.40/x - Step 3: Cross multiply
743,117,371.20x = 1,114,676,056.80 × 498,229,358.40 - Step 4: Simplify right side
743,117,371.20x = 555,364,336,603,305,920 - Step 5: Solve for x
x = 555,364,336,603,305,920/743,117,371.20 - Step 6: Final answer
x = 747,344,037.60
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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.