Finding the Fourth Proportional to 7,100,801,913.26, 9,799,118,119.43 and 3,929,119,509.98
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Solution
The fourth proportional to 7,100,801,913.26, 9,799,118,119.43 and 3,929,119,509.98 is: 5,422,191,275.57
Step by Step Solution
- Step 1: Write the proportion equation
7,100,801,913.26 : 9,799,118,119.43 = 3,929,119,509.98 : x - Step 2: Convert to fraction form
7,100,801,913.26/9,799,118,119.43 = 3,929,119,509.98/x - Step 3: Cross multiply
7,100,801,913.26x = 9,799,118,119.43 × 3,929,119,509.98 - Step 4: Simplify right side
7,100,801,913.26x = 38,501,906,183,582,294,016 - Step 5: Solve for x
x = 38,501,906,183,582,294,016/7,100,801,913.26 - Step 6: Final answer
x = 5,422,191,275.57
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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.