Finding the Fourth Proportional to 5,391,344,009.35, 8,087,885,005.49 and 1,660,633,665.92
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Solution
The fourth proportional to 5,391,344,009.35, 8,087,885,005.49 and 1,660,633,665.92 is: 2,491,218,164.32
Step by Step Solution
- Step 1: Write the proportion equation
5,391,344,009.35 : 8,087,885,005.49 = 1,660,633,665.92 : x - Step 2: Convert to fraction form
5,391,344,009.35/8,087,885,005.49 = 1,660,633,665.92/x - Step 3: Cross multiply
5,391,344,009.35x = 8,087,885,005.49 × 1,660,633,665.92 - Step 4: Simplify right side
5,391,344,009.35x = 13,431,014,126,193,750,016 - Step 5: Solve for x
x = 13,431,014,126,193,750,016/5,391,344,009.35 - Step 6: Final answer
x = 2,491,218,164.32
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1.5x scale
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.