Finding the Fourth Proportional to 276,006,788.20, 413,658,512.70 and 146,676,356.20
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Solution
The fourth proportional to 276,006,788.20, 413,658,512.70 and 146,676,356.20 is: 219,827,648.99
Step by Step Solution
- Step 1: Write the proportion equation
276,006,788.20 : 413,658,512.70 = 146,676,356.20 : x - Step 2: Convert to fraction form
276,006,788.20/413,658,512.70 = 146,676,356.20/x - Step 3: Cross multiply
276,006,788.20x = 413,658,512.70 × 146,676,356.20 - Step 4: Simplify right side
276,006,788.20x = 60,673,923,353,947,416 - Step 5: Solve for x
x = 60,673,923,353,947,416/276,006,788.20 - Step 6: Final answer
x = 219,827,648.99
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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.