Finding the Fourth Proportional to 288,734,986.20, 433,102,479.30 and 224,237,731.80
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Solution
The fourth proportional to 288,734,986.20, 433,102,479.30 and 224,237,731.80 is: 336,356,597.70
Step by Step Solution
- Step 1: Write the proportion equation
288,734,986.20 : 433,102,479.30 = 224,237,731.80 : x - Step 2: Convert to fraction form
288,734,986.20/433,102,479.30 = 224,237,731.80/x - Step 3: Cross multiply
288,734,986.20x = 433,102,479.30 × 224,237,731.80 - Step 4: Simplify right side
288,734,986.20x = 97,117,917,595,188,464 - Step 5: Solve for x
x = 97,117,917,595,188,464/288,734,986.20 - Step 6: Final answer
x = 336,356,597.70
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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.