Finding the Fourth Proportional to 568,749,874.20, 853,124,811.30 and 502,992,907.80
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Solution
The fourth proportional to 568,749,874.20, 853,124,811.30 and 502,992,907.80 is: 754,489,361.70
Step by Step Solution
- Step 1: Write the proportion equation
568,749,874.20 : 853,124,811.30 = 502,992,907.80 : x - Step 2: Convert to fraction form
568,749,874.20/853,124,811.30 = 502,992,907.80/x - Step 3: Cross multiply
568,749,874.20x = 853,124,811.30 × 502,992,907.80 - Step 4: Simplify right side
568,749,874.20x = 429,115,729,552,113,280 - Step 5: Solve for x
x = 429,115,729,552,113,280/568,749,874.20 - Step 6: Final answer
x = 754,489,361.70
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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.