Finding the Fourth Proportional to 328,771,258.92, 453,532,322.34 and 203,283,342.18
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Solution
The fourth proportional to 328,771,258.92, 453,532,322.34 and 203,283,342.18 is: 280,424,653.22
Step by Step Solution
- Step 1: Write the proportion equation
328,771,258.92 : 453,532,322.34 = 203,283,342.18 : x - Step 2: Convert to fraction form
328,771,258.92/453,532,322.34 = 203,283,342.18/x - Step 3: Cross multiply
328,771,258.92x = 453,532,322.34 × 203,283,342.18 - Step 4: Simplify right side
328,771,258.92x = 92,195,566,271,932,272 - Step 5: Solve for x
x = 92,195,566,271,932,272/328,771,258.92 - Step 6: Final answer
x = 280,424,653.22
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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.