Finding the Fourth Proportional to 3,517,330,993.98, 4,854,001,103.37 and 1,909,853,741.13
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Solution
The fourth proportional to 3,517,330,993.98, 4,854,001,103.37 and 1,909,853,741.13 is: 2,635,643,953.49
Step by Step Solution
- Step 1: Write the proportion equation
3,517,330,993.98 : 4,854,001,103.37 = 1,909,853,741.13 : x - Step 2: Convert to fraction form
3,517,330,993.98/4,854,001,103.37 = 1,909,853,741.13/x - Step 3: Cross multiply
3,517,330,993.98x = 4,854,001,103.37 × 1,909,853,741.13 - Step 4: Simplify right side
3,517,330,993.98x = 9,270,432,166,720,342,016 - Step 5: Solve for x
x = 9,270,432,166,720,342,016/3,517,330,993.98 - Step 6: Final answer
x = 2,635,643,953.49
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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.