Finding the Fourth Proportional to 398,582,403.10, 597,873,604.65 and 367,014,807.70
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Solution
The fourth proportional to 398,582,403.10, 597,873,604.65 and 367,014,807.70 is: 550,522,211.55
Step by Step Solution
- Step 1: Write the proportion equation
398,582,403.10 : 597,873,604.65 = 367,014,807.70 : x - Step 2: Convert to fraction form
398,582,403.10/597,873,604.65 = 367,014,807.70/x - Step 3: Cross multiply
398,582,403.10x = 597,873,604.65 × 367,014,807.70 - Step 4: Simplify right side
398,582,403.10x = 219,428,466,039,525,568 - Step 5: Solve for x
x = 219,428,466,039,525,568/398,582,403.10 - Step 6: Final answer
x = 550,522,211.55
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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.