Finding the Fourth Proportional to 5,453,930,468.40, 7,526,427,268.80 and 3,042,612,969.36
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Solution
The fourth proportional to 5,453,930,468.40, 7,526,427,268.80 and 3,042,612,969.36 is: 4,198,807,695.42
Step by Step Solution
- Step 1: Write the proportion equation
5,453,930,468.40 : 7,526,427,268.80 = 3,042,612,969.36 : x - Step 2: Convert to fraction form
5,453,930,468.40/7,526,427,268.80 = 3,042,612,969.36/x - Step 3: Cross multiply
5,453,930,468.40x = 7,526,427,268.80 × 3,042,612,969.36 - Step 4: Simplify right side
5,453,930,468.40x = 22,900,005,220,995,645,440 - Step 5: Solve for x
x = 22,900,005,220,995,645,440/5,453,930,468.40 - Step 6: Final answer
x = 4,198,807,695.42
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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.