Finding the Fourth Proportional to 3,288,331,509.29, 4,932,249,182.81 and 1,047,288,265.55
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Solution
The fourth proportional to 3,288,331,509.29, 4,932,249,182.81 and 1,047,288,265.55 is: 1,570,853,387.90
Step by Step Solution
- Step 1: Write the proportion equation
3,288,331,509.29 : 4,932,249,182.81 = 1,047,288,265.55 : x - Step 2: Convert to fraction form
3,288,331,509.29/4,932,249,182.81 = 1,047,288,265.55/x - Step 3: Cross multiply
3,288,331,509.29x = 4,932,249,182.81 × 1,047,288,265.55 - Step 4: Simplify right side
3,288,331,509.29x = 5,165,486,691,920,252,928 - Step 5: Solve for x
x = 5,165,486,691,920,252,928/3,288,331,509.29 - Step 6: Final answer
x = 1,570,853,387.90
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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.