Finding the Fourth Proportional to 4,251,563,722.80, 6,377,345,584.20 and 1,490,196,286.80
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Solution
The fourth proportional to 4,251,563,722.80, 6,377,345,584.20 and 1,490,196,286.80 is: 2,235,294,430.20
Step by Step Solution
- Step 1: Write the proportion equation
4,251,563,722.80 : 6,377,345,584.20 = 1,490,196,286.80 : x - Step 2: Convert to fraction form
4,251,563,722.80/6,377,345,584.20 = 1,490,196,286.80/x - Step 3: Cross multiply
4,251,563,722.80x = 6,377,345,584.20 × 1,490,196,286.80 - Step 4: Simplify right side
4,251,563,722.80x = 9,503,496,709,215,215,616 - Step 5: Solve for x
x = 9,503,496,709,215,215,616/4,251,563,722.80 - Step 6: Final answer
x = 2,235,294,430.20
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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.