Finding the Fourth Proportional to 296,958,475.40, 445,437,713.10 and 265,717,617.80
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Solution
The fourth proportional to 296,958,475.40, 445,437,713.10 and 265,717,617.80 is: 398,576,426.70
Step by Step Solution
- Step 1: Write the proportion equation
296,958,475.40 : 445,437,713.10 = 265,717,617.80 : x - Step 2: Convert to fraction form
296,958,475.40/445,437,713.10 = 265,717,617.80/x - Step 3: Cross multiply
296,958,475.40x = 445,437,713.10 × 265,717,617.80 - Step 4: Simplify right side
296,958,475.40x = 118,360,648,003,211,872 - Step 5: Solve for x
x = 118,360,648,003,211,872/296,958,475.40 - Step 6: Final answer
x = 398,576,426.70
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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.