Finding the Fourth Proportional to 293,817,872.20, 440,195,966.70 and 251,350,544.20
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Solution
The fourth proportional to 293,817,872.20, 440,195,966.70 and 251,350,544.20 is: 376,571,700.54
Step by Step Solution
- Step 1: Write the proportion equation
293,817,872.20 : 440,195,966.70 = 251,350,544.20 : x - Step 2: Convert to fraction form
293,817,872.20/440,195,966.70 = 251,350,544.20/x - Step 3: Cross multiply
293,817,872.20x = 440,195,966.70 × 251,350,544.20 - Step 4: Simplify right side
293,817,872.20x = 110,643,495,784,690,064 - Step 5: Solve for x
x = 110,643,495,784,690,064/293,817,872.20 - Step 6: Final answer
x = 376,571,700.54
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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.