Finding the Fourth Proportional to 3,189,126,884.19, 4,401,392,577.81 and 1,850,729,598.51
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Solution
The fourth proportional to 3,189,126,884.19, 4,401,392,577.81 and 1,850,729,598.51 is: 2,554,237,512.09
Step by Step Solution
- Step 1: Write the proportion equation
3,189,126,884.19 : 4,401,392,577.81 = 1,850,729,598.51 : x - Step 2: Convert to fraction form
3,189,126,884.19/4,401,392,577.81 = 1,850,729,598.51/x - Step 3: Cross multiply
3,189,126,884.19x = 4,401,392,577.81 × 1,850,729,598.51 - Step 4: Simplify right side
3,189,126,884.19x = 8,145,787,518,415,196,160 - Step 5: Solve for x
x = 8,145,787,518,415,196,160/3,189,126,884.19 - Step 6: Final answer
x = 2,554,237,512.09
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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.