Finding the Fourth Proportional to 2,193,686,785.09, 3,027,293,631.29 and 1,190,104,352.42
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Solution
The fourth proportional to 2,193,686,785.09, 3,027,293,631.29 and 1,190,104,352.42 is: 1,642,347,189.74
Step by Step Solution
- Step 1: Write the proportion equation
2,193,686,785.09 : 3,027,293,631.29 = 1,190,104,352.42 : x - Step 2: Convert to fraction form
2,193,686,785.09/3,027,293,631.29 = 1,190,104,352.42/x - Step 3: Cross multiply
2,193,686,785.09x = 3,027,293,631.29 × 1,190,104,352.42 - Step 4: Simplify right side
2,193,686,785.09x = 3,602,795,326,645,625,344 - Step 5: Solve for x
x = 3,602,795,326,645,625,344/2,193,686,785.09 - Step 6: Final answer
x = 1,642,347,189.74
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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.