Finding the Fourth Proportional to 395,864,276.80, 593,796,415.20 and 108,649,940.80
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Solution
The fourth proportional to 395,864,276.80, 593,796,415.20 and 108,649,940.80 is: 162,974,911.20
Step by Step Solution
- Step 1: Write the proportion equation
395,864,276.80 : 593,796,415.20 = 108,649,940.80 : x - Step 2: Convert to fraction form
395,864,276.80/593,796,415.20 = 108,649,940.80/x - Step 3: Cross multiply
395,864,276.80x = 593,796,415.20 × 108,649,940.80 - Step 4: Simplify right side
395,864,276.80x = 64,515,945,358,732,224 - Step 5: Solve for x
x = 64,515,945,358,732,224/395,864,276.80 - Step 6: Final answer
x = 162,974,911.20
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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.