Finding the Fourth Proportional to 288,734,915.20, 433,102,372.80 and 224,237,660.80
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Solution
The fourth proportional to 288,734,915.20, 433,102,372.80 and 224,237,660.80 is: 336,356,491.20
Step by Step Solution
- Step 1: Write the proportion equation
288,734,915.20 : 433,102,372.80 = 224,237,660.80 : x - Step 2: Convert to fraction form
288,734,915.20/433,102,372.80 = 224,237,660.80/x - Step 3: Cross multiply
288,734,915.20x = 433,102,372.80 × 224,237,660.80 - Step 4: Simplify right side
288,734,915.20x = 97,117,862,963,601,552 - Step 5: Solve for x
x = 97,117,862,963,601,552/288,734,915.20 - Step 6: Final answer
x = 336,356,491.20
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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.