Finding the Fourth Proportional to 398,625,441.80, 597,938,162.70 and 373,116,273.80
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Solution
The fourth proportional to 398,625,441.80, 597,938,162.70 and 373,116,273.80 is: 559,674,410.70
Step by Step Solution
- Step 1: Write the proportion equation
398,625,441.80 : 597,938,162.70 = 373,116,273.80 : x - Step 2: Convert to fraction form
398,625,441.80/597,938,162.70 = 373,116,273.80/x - Step 3: Cross multiply
398,625,441.80x = 597,938,162.70 × 373,116,273.80 - Step 4: Simplify right side
398,625,441.80x = 223,100,459,229,442,176 - Step 5: Solve for x
x = 223,100,459,229,442,176/398,625,441.80 - Step 6: Final answer
x = 559,674,410.70
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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.