Finding the Fourth Proportional to 2,274,268,652.72, 3,138,653,147.69 and 1,256,972,194.74
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Solution
The fourth proportional to 2,274,268,652.72, 3,138,653,147.69 and 1,256,972,194.74 is: 1,734,711,389.91
Step by Step Solution
- Step 1: Write the proportion equation
2,274,268,652.72 : 3,138,653,147.69 = 1,256,972,194.74 : x - Step 2: Convert to fraction form
2,274,268,652.72/3,138,653,147.69 = 1,256,972,194.74/x - Step 3: Cross multiply
2,274,268,652.72x = 3,138,653,147.69 × 1,256,972,194.74 - Step 4: Simplify right side
2,274,268,652.72x = 3,945,199,735,594,577,920 - Step 5: Solve for x
x = 3,945,199,735,594,577,920/2,274,268,652.72 - Step 6: Final answer
x = 1,734,711,389.91
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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.