Finding the Fourth Proportional to 346,106,218.37, 477,626,604.65 and 189,473,325.36
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Solution
The fourth proportional to 346,106,218.37, 477,626,604.65 and 189,473,325.36 is: 261,473,201.75
Step by Step Solution
- Step 1: Write the proportion equation
346,106,218.37 : 477,626,604.65 = 189,473,325.36 : x - Step 2: Convert to fraction form
346,106,218.37/477,626,604.65 = 189,473,325.36/x - Step 3: Cross multiply
346,106,218.37x = 477,626,604.65 × 189,473,325.36 - Step 4: Simplify right side
346,106,218.37x = 90,497,501,063,441,536 - Step 5: Solve for x
x = 90,497,501,063,441,536/346,106,218.37 - Step 6: Final answer
x = 261,473,201.75
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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.