Finding the Fourth Proportional to 331,736,183.30, 497,604,274.95 and 211,102,429.70
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Solution
The fourth proportional to 331,736,183.30, 497,604,274.95 and 211,102,429.70 is: 316,653,644.55
Step by Step Solution
- Step 1: Write the proportion equation
331,736,183.30 : 497,604,274.95 = 211,102,429.70 : x - Step 2: Convert to fraction form
331,736,183.30/497,604,274.95 = 211,102,429.70/x - Step 3: Cross multiply
331,736,183.30x = 497,604,274.95 × 211,102,429.70 - Step 4: Simplify right side
331,736,183.30x = 105,045,471,471,051,840 - Step 5: Solve for x
x = 105,045,471,471,051,840/331,736,183.30 - Step 6: Final answer
x = 316,653,644.55
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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.