Finding the Fourth Proportional to 6,310,212,687.75, 8,708,349,912.99 and 3,490,772,003.67
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Solution
The fourth proportional to 6,310,212,687.75, 8,708,349,912.99 and 3,490,772,003.67 is: 4,817,407,206.17
Step by Step Solution
- Step 1: Write the proportion equation
6,310,212,687.75 : 8,708,349,912.99 = 3,490,772,003.67 : x - Step 2: Convert to fraction form
6,310,212,687.75/8,708,349,912.99 = 3,490,772,003.67/x - Step 3: Cross multiply
6,310,212,687.75x = 8,708,349,912.99 × 3,490,772,003.67 - Step 4: Simplify right side
6,310,212,687.75x = 30,398,864,074,427,572,224 - Step 5: Solve for x
x = 30,398,864,074,427,572,224/6,310,212,687.75 - Step 6: Final answer
x = 4,817,407,206.17
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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.