Finding the Fourth Proportional to 7,823,056,121.20, 11,734,584,181.80 and 4,716,039,458.80
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Solution
The fourth proportional to 7,823,056,121.20, 11,734,584,181.80 and 4,716,039,458.80 is: 7,074,059,188.20
Step by Step Solution
- Step 1: Write the proportion equation
7,823,056,121.20 : 11,734,584,181.80 = 4,716,039,458.80 : x - Step 2: Convert to fraction form
7,823,056,121.20/11,734,584,181.80 = 4,716,039,458.80/x - Step 3: Cross multiply
7,823,056,121.20x = 11,734,584,181.80 × 4,716,039,458.80 - Step 4: Simplify right side
7,823,056,121.20x = 55,340,762,033,979,113,472 - Step 5: Solve for x
x = 55,340,762,033,979,113,472/7,823,056,121.20 - Step 6: Final answer
x = 7,074,059,188.20
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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.