Finding the Fourth Proportional to 6,624,915,324.80, 9,928,932,916.80 and 3,520,984,956.80
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Solution
The fourth proportional to 6,624,915,324.80, 9,928,932,916.80 and 3,520,984,956.80 is: 5,276,991,738.48
Step by Step Solution
- Step 1: Write the proportion equation
6,624,915,324.80 : 9,928,932,916.80 = 3,520,984,956.80 : x - Step 2: Convert to fraction form
6,624,915,324.80/9,928,932,916.80 = 3,520,984,956.80/x - Step 3: Cross multiply
6,624,915,324.80x = 9,928,932,916.80 × 3,520,984,956.80 - Step 4: Simplify right side
6,624,915,324.80x = 34,959,623,437,129,146,368 - Step 5: Solve for x
x = 34,959,623,437,129,146,368/6,624,915,324.80 - Step 6: Final answer
x = 5,276,991,738.48
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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.