Finding the Fourth Proportional to 284,378,722.24, 426,584,026.48 and 79,890,854.44
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Solution
The fourth proportional to 284,378,722.24, 426,584,026.48 and 79,890,854.44 is: 119,840,760.58
Step by Step Solution
- Step 1: Write the proportion equation
284,378,722.24 : 426,584,026.48 = 79,890,854.44 : x - Step 2: Convert to fraction form
284,378,722.24/426,584,026.48 = 79,890,854.44/x - Step 3: Cross multiply
284,378,722.24x = 426,584,026.48 × 79,890,854.44 - Step 4: Simplify right side
284,378,722.24x = 34,080,162,365,942,788 - Step 5: Solve for x
x = 34,080,162,365,942,788/284,378,722.24 - Step 6: Final answer
x = 119,840,760.58
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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.