Finding the Fourth Proportional to 7,965,853,342, 11,942,889,393.58 and 4,817,367,990.88
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Solution
The fourth proportional to 7,965,853,342, 11,942,889,393.58 and 4,817,367,990.88 is: 7,222,489,620.78
Step by Step Solution
- Step 1: Write the proportion equation
7,965,853,342 : 11,942,889,393.58 = 4,817,367,990.88 : x - Step 2: Convert to fraction form
7,965,853,342/11,942,889,393.58 = 4,817,367,990.88/x - Step 3: Cross multiply
7,965,853,342x = 11,942,889,393.58 × 4,817,367,990.88 - Step 4: Simplify right side
7,965,853,342x = 57,533,293,083,252,547,584 - Step 5: Solve for x
x = 57,533,293,083,252,547,584/7,965,853,342 - Step 6: Final answer
x = 7,222,489,620.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.