Finding the Fourth Proportional to 7,469,344,237.57, 11,204,064,515.12 and 2,987,813,265.93
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Solution
The fourth proportional to 7,469,344,237.57, 11,204,064,515.12 and 2,987,813,265.93 is: 4,481,739,162.89
Step by Step Solution
- Step 1: Write the proportion equation
7,469,344,237.57 : 11,204,064,515.12 = 2,987,813,265.93 : x - Step 2: Convert to fraction form
7,469,344,237.57/11,204,064,515.12 = 2,987,813,265.93/x - Step 3: Cross multiply
7,469,344,237.57x = 11,204,064,515.12 × 2,987,813,265.93 - Step 4: Simplify right side
7,469,344,237.57x = 33,475,652,590,639,120,384 - Step 5: Solve for x
x = 33,475,652,590,639,120,384/7,469,344,237.57 - Step 6: Final answer
x = 4,481,739,162.89
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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.