Finding the Fourth Proportional to 316,524,007.70, 474,786,011.55 and 316,524,007.70
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Solution
The fourth proportional to 316,524,007.70, 474,786,011.55 and 316,524,007.70 is: 474,786,011.55
Step by Step Solution
- Step 1: Write the proportion equation
316,524,007.70 : 474,786,011.55 = 316,524,007.70 : x - Step 2: Convert to fraction form
316,524,007.70/474,786,011.55 = 316,524,007.70/x - Step 3: Cross multiply
316,524,007.70x = 474,786,011.55 × 316,524,007.70 - Step 4: Simplify right side
316,524,007.70x = 150,281,171,175,704,480 - Step 5: Solve for x
x = 150,281,171,175,704,480/316,524,007.70 - Step 6: Final answer
x = 474,786,011.55
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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.