Finding the Fourth Proportional to 1,699,360,944.48, 2,549,313,819.18 and 716,932,194.21
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Solution
The fourth proportional to 1,699,360,944.48, 2,549,313,819.18 and 716,932,194.21 is: 1,075,513,213.39
Step by Step Solution
- Step 1: Write the proportion equation
1,699,360,944.48 : 2,549,313,819.18 = 716,932,194.21 : x - Step 2: Convert to fraction form
1,699,360,944.48/2,549,313,819.18 = 716,932,194.21/x - Step 3: Cross multiply
1,699,360,944.48x = 2,549,313,819.18 × 716,932,194.21 - Step 4: Simplify right side
1,699,360,944.48x = 1,827,685,150,114,592,512 - Step 5: Solve for x
x = 1,827,685,150,114,592,512/1,699,360,944.48 - Step 6: Final answer
x = 1,075,513,213.39
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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.