Finding the Fourth Proportional to 477,248,423.99, 715,408,358.42 and 228,188,959.18
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Solution
The fourth proportional to 477,248,423.99, 715,408,358.42 and 228,188,959.18 is: 342,061,451.63
Step by Step Solution
- Step 1: Write the proportion equation
477,248,423.99 : 715,408,358.42 = 228,188,959.18 : x - Step 2: Convert to fraction form
477,248,423.99/715,408,358.42 = 228,188,959.18/x - Step 3: Cross multiply
477,248,423.99x = 715,408,358.42 × 228,188,959.18 - Step 4: Simplify right side
477,248,423.99x = 163,248,288,695,314,144 - Step 5: Solve for x
x = 163,248,288,695,314,144/477,248,423.99 - Step 6: Final answer
x = 342,061,451.63
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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.