Finding the Fourth Proportional to 2,488,416,124.90, 3,732,624,187.35 and 852,096,892.90
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Solution
The fourth proportional to 2,488,416,124.90, 3,732,624,187.35 and 852,096,892.90 is: 1,278,145,339.35
Step by Step Solution
- Step 1: Write the proportion equation
2,488,416,124.90 : 3,732,624,187.35 = 852,096,892.90 : x - Step 2: Convert to fraction form
2,488,416,124.90/3,732,624,187.35 = 852,096,892.90/x - Step 3: Cross multiply
2,488,416,124.90x = 3,732,624,187.35 × 852,096,892.90 - Step 4: Simplify right side
2,488,416,124.90x = 3,180,557,472,404,322,304 - Step 5: Solve for x
x = 3,180,557,472,404,322,304/2,488,416,124.90 - Step 6: Final answer
x = 1,278,145,339.35
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1.5x scale
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.