Finding the Fourth Proportional to 6,310,212,689, 8,708,349,914.70 and 3,490,772,004.92
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Solution
The fourth proportional to 6,310,212,689, 8,708,349,914.70 and 3,490,772,004.92 is: 4,817,407,207.89
Step by Step Solution
- Step 1: Write the proportion equation
6,310,212,689 : 8,708,349,914.70 = 3,490,772,004.92 : x - Step 2: Convert to fraction form
6,310,212,689/8,708,349,914.70 = 3,490,772,004.92/x - Step 3: Cross multiply
6,310,212,689x = 8,708,349,914.70 × 3,490,772,004.92 - Step 4: Simplify right side
6,310,212,689x = 30,398,864,091,282,231,296 - Step 5: Solve for x
x = 30,398,864,091,282,231,296/6,310,212,689 - Step 6: Final answer
x = 4,817,407,207.89
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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.