Finding the Fourth Proportional to 1,981,793,032.64, 2,734,953,186.08 and 1,089,792,889.92
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Solution
The fourth proportional to 1,981,793,032.64, 2,734,953,186.08 and 1,089,792,889.92 is: 1,503,957,520.97
Step by Step Solution
- Step 1: Write the proportion equation
1,981,793,032.64 : 2,734,953,186.08 = 1,089,792,889.92 : x - Step 2: Convert to fraction form
1,981,793,032.64/2,734,953,186.08 = 1,089,792,889.92/x - Step 3: Cross multiply
1,981,793,032.64x = 2,734,953,186.08 × 1,089,792,889.92 - Step 4: Simplify right side
1,981,793,032.64x = 2,980,532,536,454,034,944 - Step 5: Solve for x
x = 2,980,532,536,454,034,944/1,981,793,032.64 - Step 6: Final answer
x = 1,503,957,520.97
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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.