Finding the Fourth Proportional to 346,322,201.40, 519,483,302.10 and 315,081,343.80
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Solution
The fourth proportional to 346,322,201.40, 519,483,302.10 and 315,081,343.80 is: 472,622,015.70
Step by Step Solution
- Step 1: Write the proportion equation
346,322,201.40 : 519,483,302.10 = 315,081,343.80 : x - Step 2: Convert to fraction form
346,322,201.40/519,483,302.10 = 315,081,343.80/x - Step 3: Cross multiply
346,322,201.40x = 519,483,302.10 × 315,081,343.80 - Step 4: Simplify right side
346,322,201.40x = 163,679,496,907,329,376 - Step 5: Solve for x
x = 163,679,496,907,329,376/346,322,201.40 - Step 6: Final answer
x = 472,622,015.70
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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.