Finding the Fourth Proportional to 2,125,211,104.65, 2,932,428,106.09 and 1,232,933,290.92
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Solution
The fourth proportional to 2,125,211,104.65, 2,932,428,106.09 and 1,232,933,290.92 is: 1,701,237,221.71
Step by Step Solution
- Step 1: Write the proportion equation
2,125,211,104.65 : 2,932,428,106.09 = 1,232,933,290.92 : x - Step 2: Convert to fraction form
2,125,211,104.65/2,932,428,106.09 = 1,232,933,290.92/x - Step 3: Cross multiply
2,125,211,104.65x = 2,932,428,106.09 × 1,232,933,290.92 - Step 4: Simplify right side
2,125,211,104.65x = 3,615,488,235,227,847,168 - Step 5: Solve for x
x = 3,615,488,235,227,847,168/2,125,211,104.65 - Step 6: Final answer
x = 1,701,237,221.71
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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.