Finding the Fourth Proportional to 806,706,247.91, 1,113,769,536.75 and 658,381,720.91
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Solution
The fourth proportional to 806,706,247.91, 1,113,769,536.75 and 658,381,720.91 is: 908,987,015.04
Step by Step Solution
- Step 1: Write the proportion equation
806,706,247.91 : 1,113,769,536.75 = 658,381,720.91 : x - Step 2: Convert to fraction form
806,706,247.91/1,113,769,536.75 = 658,381,720.91/x - Step 3: Cross multiply
806,706,247.91x = 1,113,769,536.75 × 658,381,720.91 - Step 4: Simplify right side
806,706,247.91x = 733,285,504,297,029,632 - Step 5: Solve for x
x = 733,285,504,297,029,632/806,706,247.91 - Step 6: Final answer
x = 908,987,015.04
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1.5x scale
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.