Finding the Fourth Proportional to 3,288,331,509.79, 4,932,249,183.56 and 1,047,288,266.05
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Solution
The fourth proportional to 3,288,331,509.79, 4,932,249,183.56 and 1,047,288,266.05 is: 1,570,853,388.65
Step by Step Solution
- Step 1: Write the proportion equation
3,288,331,509.79 : 4,932,249,183.56 = 1,047,288,266.05 : x - Step 2: Convert to fraction form
3,288,331,509.79/4,932,249,183.56 = 1,047,288,266.05/x - Step 3: Cross multiply
3,288,331,509.79x = 4,932,249,183.56 × 1,047,288,266.05 - Step 4: Simplify right side
3,288,331,509.79x = 5,165,486,695,171,844,096 - Step 5: Solve for x
x = 5,165,486,695,171,844,096/3,288,331,509.79 - Step 6: Final answer
x = 1,570,853,388.65
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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.