Finding the Fourth Proportional to 663,008,181.24, 914,952,197.49 and 361,594,221.49
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Solution
The fourth proportional to 663,008,181.24, 914,952,197.49 and 361,594,221.49 is: 499,000,520.53
Step by Step Solution
- Step 1: Write the proportion equation
663,008,181.24 : 914,952,197.49 = 361,594,221.49 : x - Step 2: Convert to fraction form
663,008,181.24/914,952,197.49 = 361,594,221.49/x - Step 3: Cross multiply
663,008,181.24x = 914,952,197.49 × 361,594,221.49 - Step 4: Simplify right side
663,008,181.24x = 330,841,427,553,781,120 - Step 5: Solve for x
x = 330,841,427,553,781,120/663,008,181.24 - Step 6: Final answer
x = 499,000,520.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.