Finding the Fourth Proportional to 8,649,577,317.36, 11,936,880,162.12 and 4,838,872,942.92
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Solution
The fourth proportional to 8,649,577,317.36, 11,936,880,162.12 and 4,838,872,942.92 is: 6,677,903,939.12
Step by Step Solution
- Step 1: Write the proportion equation
8,649,577,317.36 : 11,936,880,162.12 = 4,838,872,942.92 : x - Step 2: Convert to fraction form
8,649,577,317.36/11,936,880,162.12 = 4,838,872,942.92/x - Step 3: Cross multiply
8,649,577,317.36x = 11,936,880,162.12 × 4,838,872,942.92 - Step 4: Simplify right side
8,649,577,317.36x = 57,761,046,439,360,978,944 - Step 5: Solve for x
x = 57,761,046,439,360,978,944/8,649,577,317.36 - Step 6: Final answer
x = 6,677,903,939.12
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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.