Finding the Fourth Proportional to 69,628,376,217.97, 96,086,581,573.55 and 39,144,695,706.17
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Solution
The fourth proportional to 69,628,376,217.97, 96,086,581,573.55 and 39,144,695,706.17 is: 54,019,355,346.85
Step by Step Solution
- Step 1: Write the proportion equation
69,628,376,217.97 : 96,086,581,573.55 = 39,144,695,706.17 : x - Step 2: Convert to fraction form
69,628,376,217.97/96,086,581,573.55 = 39,144,695,706.17/x - Step 3: Cross multiply
69,628,376,217.97x = 96,086,581,573.55 × 39,144,695,706.17 - Step 4: Simplify right side
69,628,376,217.97x = 3,761,279,997,142,695,936,000 - Step 5: Solve for x
x = 3,761,279,997,142,695,936,000/69,628,376,217.97 - Step 6: Final answer
x = 54,019,355,346.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.