Finding the Fourth Proportional to 2,125,211,103.65, 2,932,428,104.72 and 1,232,933,289.92
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Solution
The fourth proportional to 2,125,211,103.65, 2,932,428,104.72 and 1,232,933,289.92 is: 1,701,237,220.33
Step by Step Solution
- Step 1: Write the proportion equation
2,125,211,103.65 : 2,932,428,104.72 = 1,232,933,289.92 : x - Step 2: Convert to fraction form
2,125,211,103.65/2,932,428,104.72 = 1,232,933,289.92/x - Step 3: Cross multiply
2,125,211,103.65x = 2,932,428,104.72 × 1,232,933,289.92 - Step 4: Simplify right side
2,125,211,103.65x = 3,615,488,230,585,473,024 - Step 5: Solve for x
x = 3,615,488,230,585,473,024/2,125,211,103.65 - Step 6: Final answer
x = 1,701,237,220.33
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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.