Finding the Fourth Proportional to 3,155,712,757.68, 4,734,214,738.92 and 1,085,165,615.28
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Solution
The fourth proportional to 3,155,712,757.68, 4,734,214,738.92 and 1,085,165,615.28 is: 1,627,970,428.40
Step by Step Solution
- Step 1: Write the proportion equation
3,155,712,757.68 : 4,734,214,738.92 = 1,085,165,615.28 : x - Step 2: Convert to fraction form
3,155,712,757.68/4,734,214,738.92 = 1,085,165,615.28/x - Step 3: Cross multiply
3,155,712,757.68x = 4,734,214,738.92 × 1,085,165,615.28 - Step 4: Simplify right side
3,155,712,757.68x = 5,137,407,050,027,766,784 - Step 5: Solve for x
x = 5,137,407,050,027,766,784/3,155,712,757.68 - Step 6: Final answer
x = 1,627,970,428.40
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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.