Finding the Fourth Proportional to 351,369,412.99, 527,234,587.99 and 154,770,589.82
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Solution
The fourth proportional to 351,369,412.99, 527,234,587.99 and 154,770,589.82 is: 232,235,377.19
Step by Step Solution
- Step 1: Write the proportion equation
351,369,412.99 : 527,234,587.99 = 154,770,589.82 : x - Step 2: Convert to fraction form
351,369,412.99/527,234,587.99 = 154,770,589.82/x - Step 3: Cross multiply
351,369,412.99x = 527,234,587.99 × 154,770,589.82 - Step 4: Simplify right side
351,369,412.99x = 81,600,408,157,648,144 - Step 5: Solve for x
x = 81,600,408,157,648,144/351,369,412.99 - Step 6: Final answer
x = 232,235,377.19
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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.