Finding the Fourth Proportional to 366,541,903.80, 549,812,855.70 and 366,541,903.80
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Solution
The fourth proportional to 366,541,903.80, 549,812,855.70 and 366,541,903.80 is: 549,812,855.70
Step by Step Solution
- Step 1: Write the proportion equation
366,541,903.80 : 549,812,855.70 = 366,541,903.80 : x - Step 2: Convert to fraction form
366,541,903.80/549,812,855.70 = 366,541,903.80/x - Step 3: Cross multiply
366,541,903.80x = 549,812,855.70 × 366,541,903.80 - Step 4: Simplify right side
366,541,903.80x = 201,529,450,861,992,704 - Step 5: Solve for x
x = 201,529,450,861,992,704/366,541,903.80 - Step 6: Final answer
x = 549,812,855.70
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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.