Finding the Fourth Proportional to 316,524,101.70, 474,786,152.55 and 316,524,101.70
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Solution
The fourth proportional to 316,524,101.70, 474,786,152.55 and 316,524,101.70 is: 474,786,152.55
Step by Step Solution
- Step 1: Write the proportion equation
316,524,101.70 : 474,786,152.55 = 316,524,101.70 : x - Step 2: Convert to fraction form
316,524,101.70/474,786,152.55 = 316,524,101.70/x - Step 3: Cross multiply
316,524,101.70x = 474,786,152.55 × 316,524,101.70 - Step 4: Simplify right side
316,524,101.70x = 150,281,260,435,487,904 - Step 5: Solve for x
x = 150,281,260,435,487,904/316,524,101.70 - Step 6: Final answer
x = 474,786,152.55
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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.