Finding the Fourth Proportional to 3,884,197,103.54, 5,360,181,920.96 and 2,167,528,261.44
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Solution
The fourth proportional to 3,884,197,103.54, 5,360,181,920.96 and 2,167,528,261.44 is: 2,991,183,374.69
Step by Step Solution
- Step 1: Write the proportion equation
3,884,197,103.54 : 5,360,181,920.96 = 2,167,528,261.44 : x - Step 2: Convert to fraction form
3,884,197,103.54/5,360,181,920.96 = 2,167,528,261.44/x - Step 3: Cross multiply
3,884,197,103.54x = 5,360,181,920.96 × 2,167,528,261.44 - Step 4: Simplify right side
3,884,197,103.54x = 11,618,345,800,129,710,080 - Step 5: Solve for x
x = 11,618,345,800,129,710,080/3,884,197,103.54 - Step 6: Final answer
x = 2,991,183,374.69
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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.