Finding the Fourth Proportional to 252,256,846,660.71, 378,386,251,676.09 and 61,028,577,479.43
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Solution
The fourth proportional to 252,256,846,660.71, 378,386,251,676.09 and 61,028,577,479.43 is: 91,543,103,718.51
Step by Step Solution
- Step 1: Write the proportion equation
252,256,846,660.71 : 378,386,251,676.09 = 61,028,577,479.43 : x - Step 2: Convert to fraction form
252,256,846,660.71/378,386,251,676.09 = 61,028,577,479.43/x - Step 3: Cross multiply
252,256,846,660.71x = 378,386,251,676.09 × 61,028,577,479.43 - Step 4: Simplify right side
252,256,846,660.71x = 23,092,374,677,565,361,618,944 - Step 5: Solve for x
x = 23,092,374,677,565,361,618,944/252,256,846,660.71 - Step 6: Final answer
x = 91,543,103,718.51
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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.