Finding the Fourth Proportional to 374,979,469.70, 562,021,306.95 and 193,133,044.10
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Solution
The fourth proportional to 374,979,469.70, 562,021,306.95 and 193,133,044.10 is: 289,468,876.65
Step by Step Solution
- Step 1: Write the proportion equation
374,979,469.70 : 562,021,306.95 = 193,133,044.10 : x - Step 2: Convert to fraction form
374,979,469.70/562,021,306.95 = 193,133,044.10/x - Step 3: Cross multiply
374,979,469.70x = 562,021,306.95 × 193,133,044.10 - Step 4: Simplify right side
374,979,469.70x = 108,544,885,860,314,000 - Step 5: Solve for x
x = 108,544,885,860,314,000/374,979,469.70 - Step 6: Final answer
x = 289,468,876.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.