Finding the Fourth Proportional to 524,635,814.46, 787,226,078.28 and 213,971,349.08
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Solution
The fourth proportional to 524,635,814.46, 787,226,078.28 and 213,971,349.08 is: 321,068,103.55
Step by Step Solution
- Step 1: Write the proportion equation
524,635,814.46 : 787,226,078.28 = 213,971,349.08 : x - Step 2: Convert to fraction form
524,635,814.46/787,226,078.28 = 213,971,349.08/x - Step 3: Cross multiply
524,635,814.46x = 787,226,078.28 × 213,971,349.08 - Step 4: Simplify right side
524,635,814.46x = 168,443,826,000,529,280 - Step 5: Solve for x
x = 168,443,826,000,529,280/524,635,814.46 - Step 6: Final answer
x = 321,068,103.55
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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.