Finding the Fourth Proportional to 19,903,765,733.25, 29,855,760,210.27 and 6,638,987,599.09
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Solution
The fourth proportional to 19,903,765,733.25, 29,855,760,210.27 and 6,638,987,599.09 is: 9,958,518,626.77
Step by Step Solution
- Step 1: Write the proportion equation
19,903,765,733.25 : 29,855,760,210.27 = 6,638,987,599.09 : x - Step 2: Convert to fraction form
19,903,765,733.25/29,855,760,210.27 = 6,638,987,599.09/x - Step 3: Cross multiply
19,903,765,733.25x = 29,855,760,210.27 × 6,638,987,599.09 - Step 4: Simplify right side
19,903,765,733.25x = 198,212,021,797,387,173,888 - Step 5: Solve for x
x = 198,212,021,797,387,173,888/19,903,765,733.25 - Step 6: Final answer
x = 9,958,518,626.77
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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.