Finding the Fourth Proportional to 3,646,014,408.18, 5,031,504,988.81 and 1,975,263,549.37
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Solution
The fourth proportional to 3,646,014,408.18, 5,031,504,988.81 and 1,975,263,549.37 is: 2,725,866,464.09
Step by Step Solution
- Step 1: Write the proportion equation
3,646,014,408.18 : 5,031,504,988.81 = 1,975,263,549.37 : x - Step 2: Convert to fraction form
3,646,014,408.18/5,031,504,988.81 = 1,975,263,549.37/x - Step 3: Cross multiply
3,646,014,408.18x = 5,031,504,988.81 × 1,975,263,549.37 - Step 4: Simplify right side
3,646,014,408.18x = 9,938,548,402,852,186,112 - Step 5: Solve for x
x = 9,938,548,402,852,186,112/3,646,014,408.18 - Step 6: Final answer
x = 2,725,866,464.09
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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.