Finding the Fourth Proportional to 445,011,461.20, 667,612,863.34 and 149,935,903.08
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Solution
The fourth proportional to 445,011,461.20, 667,612,863.34 and 149,935,903.08 is: 224,936,088.84
Step by Step Solution
- Step 1: Write the proportion equation
445,011,461.20 : 667,612,863.34 = 149,935,903.08 : x - Step 2: Convert to fraction form
445,011,461.20/667,612,863.34 = 149,935,903.08/x - Step 3: Cross multiply
445,011,461.20x = 667,612,863.34 × 149,935,903.08 - Step 4: Simplify right side
445,011,461.20x = 100,099,137,572,707,536 - Step 5: Solve for x
x = 100,099,137,572,707,536/445,011,461.20 - Step 6: Final answer
x = 224,936,088.84
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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.