Finding the Fourth Proportional to 644,153,857.70, 966,734,671.35 and 299,150,233.70
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Solution
The fourth proportional to 644,153,857.70, 966,734,671.35 and 299,150,233.70 is: 448,959,358.70
Step by Step Solution
- Step 1: Write the proportion equation
644,153,857.70 : 966,734,671.35 = 299,150,233.70 : x - Step 2: Convert to fraction form
644,153,857.70/966,734,671.35 = 299,150,233.70/x - Step 3: Cross multiply
644,153,857.70x = 966,734,671.35 × 299,150,233.70 - Step 4: Simplify right side
644,153,857.70x = 289,198,902,860,245,184 - Step 5: Solve for x
x = 289,198,902,860,245,184/644,153,857.70 - Step 6: Final answer
x = 448,959,358.70
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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.