Finding the Fourth Proportional to 486,436,423.79, 671,282,628.57 and 263,418,349.91
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Solution
The fourth proportional to 486,436,423.79, 671,282,628.57 and 263,418,349.91 is: 363,517,519.85
Step by Step Solution
- Step 1: Write the proportion equation
486,436,423.79 : 671,282,628.57 = 263,418,349.91 : x - Step 2: Convert to fraction form
486,436,423.79/671,282,628.57 = 263,418,349.91/x - Step 3: Cross multiply
486,436,423.79x = 671,282,628.57 × 263,418,349.91 - Step 4: Simplify right side
486,436,423.79x = 176,828,162,341,156,832 - Step 5: Solve for x
x = 176,828,162,341,156,832/486,436,423.79 - Step 6: Final answer
x = 363,517,519.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.