Finding the Fourth Proportional to 45,349,632,346.20, 68,024,448,519.30 and 43,696,638,259.80
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Solution
The fourth proportional to 45,349,632,346.20, 68,024,448,519.30 and 43,696,638,259.80 is: 65,544,957,389.70
Step by Step Solution
- Step 1: Write the proportion equation
45,349,632,346.20 : 68,024,448,519.30 = 43,696,638,259.80 : x - Step 2: Convert to fraction form
45,349,632,346.20/68,024,448,519.30 = 43,696,638,259.80/x - Step 3: Cross multiply
45,349,632,346.20x = 68,024,448,519.30 × 43,696,638,259.80 - Step 4: Simplify right side
45,349,632,346.20x = 2,972,439,719,770,240,057,344 - Step 5: Solve for x
x = 2,972,439,719,770,240,057,344/45,349,632,346.20 - Step 6: Final answer
x = 65,544,957,389.70
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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.