Finding the Fourth Proportional to 3,996,583,781.14, 5,515,350,913.92 and 2,188,065,478.96
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Solution
The fourth proportional to 3,996,583,781.14, 5,515,350,913.92 and 2,188,065,478.96 is: 3,019,566,109.45
Step by Step Solution
- Step 1: Write the proportion equation
3,996,583,781.14 : 5,515,350,913.92 = 2,188,065,478.96 : x - Step 2: Convert to fraction form
3,996,583,781.14/5,515,350,913.92 = 2,188,065,478.96/x - Step 3: Cross multiply
3,996,583,781.14x = 5,515,350,913.92 × 2,188,065,478.96 - Step 4: Simplify right side
3,996,583,781.14x = 12,067,948,939,098,839,040 - Step 5: Solve for x
x = 12,067,948,939,098,839,040/3,996,583,781.14 - Step 6: Final answer
x = 3,019,566,109.45
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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.