Finding the Fourth Proportional to 1,449,605,217.96, 2,174,393,933.42 and 858,970,299.31
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Solution
The fourth proportional to 1,449,605,217.96, 2,174,393,933.42 and 858,970,299.31 is: 1,288,447,216.29
Step by Step Solution
- Step 1: Write the proportion equation
1,449,605,217.96 : 2,174,393,933.42 = 858,970,299.31 : x - Step 2: Convert to fraction form
1,449,605,217.96/2,174,393,933.42 = 858,970,299.31/x - Step 3: Cross multiply
1,449,605,217.96x = 2,174,393,933.42 × 858,970,299.31 - Step 4: Simplify right side
1,449,605,217.96x = 1,867,739,807,797,894,656 - Step 5: Solve for x
x = 1,867,739,807,797,894,656/1,449,605,217.96 - Step 6: Final answer
x = 1,288,447,216.29
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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.