Finding the Fourth Proportional to 477,248,423.30, 715,408,357.39 and 228,188,958.49
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Solution
The fourth proportional to 477,248,423.30, 715,408,357.39 and 228,188,958.49 is: 342,061,450.59
Step by Step Solution
- Step 1: Write the proportion equation
477,248,423.30 : 715,408,357.39 = 228,188,958.49 : x - Step 2: Convert to fraction form
477,248,423.30/715,408,357.39 = 228,188,958.49/x - Step 3: Cross multiply
477,248,423.30x = 715,408,357.39 × 228,188,958.49 - Step 4: Simplify right side
477,248,423.30x = 163,248,287,967,865,792 - Step 5: Solve for x
x = 163,248,287,967,865,792/477,248,423.30 - Step 6: Final answer
x = 342,061,450.59
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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.