Finding the Fourth Proportional to 35,478,273,642.28, 48,956,668,528.26 and 21,202,259,101.48
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Solution
The fourth proportional to 35,478,273,642.28, 48,956,668,528.26 and 21,202,259,101.48 is: 29,257,116,097.23
Step by Step Solution
- Step 1: Write the proportion equation
35,478,273,642.28 : 48,956,668,528.26 = 21,202,259,101.48 : x - Step 2: Convert to fraction form
35,478,273,642.28/48,956,668,528.26 = 21,202,259,101.48/x - Step 3: Cross multiply
35,478,273,642.28x = 48,956,668,528.26 × 21,202,259,101.48 - Step 4: Simplify right side
35,478,273,642.28x = 1,037,991,970,881,440,055,296 - Step 5: Solve for x
x = 1,037,991,970,881,440,055,296/35,478,273,642.28 - Step 6: Final answer
x = 29,257,116,097.23
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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.