Finding the Fourth Proportional to 4,992,199,621.80, 7,488,299,432.70 and 3,541,011,397.80
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Solution
The fourth proportional to 4,992,199,621.80, 7,488,299,432.70 and 3,541,011,397.80 is: 5,311,517,096.70
Step by Step Solution
- Step 1: Write the proportion equation
4,992,199,621.80 : 7,488,299,432.70 = 3,541,011,397.80 : x - Step 2: Convert to fraction form
4,992,199,621.80/7,488,299,432.70 = 3,541,011,397.80/x - Step 3: Cross multiply
4,992,199,621.80x = 7,488,299,432.70 × 3,541,011,397.80 - Step 4: Simplify right side
4,992,199,621.80x = 26,516,153,641,329,975,296 - Step 5: Solve for x
x = 26,516,153,641,329,975,296/4,992,199,621.80 - Step 6: Final answer
x = 5,311,517,096.70
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1.5x scale
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.