Finding the Fourth Proportional to 395,731,202.40, 593,596,803.60 and 293,694,530.40
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Solution
The fourth proportional to 395,731,202.40, 593,596,803.60 and 293,694,530.40 is: 440,541,795.60
Step by Step Solution
- Step 1: Write the proportion equation
395,731,202.40 : 593,596,803.60 = 293,694,530.40 : x - Step 2: Convert to fraction form
395,731,202.40/593,596,803.60 = 293,694,530.40/x - Step 3: Cross multiply
395,731,202.40x = 593,596,803.60 × 293,694,530.40 - Step 4: Simplify right side
395,731,202.40x = 174,336,134,480,243,008 - Step 5: Solve for x
x = 174,336,134,480,243,008/395,731,202.40 - Step 6: Final answer
x = 440,541,795.60
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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.