Finding the Fourth Proportional to 346,358,782.08, 477,793,905.39 and 214,157,518.92
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Solution
The fourth proportional to 346,358,782.08, 477,793,905.39 and 214,157,518.92 is: 295,425,329.54
Step by Step Solution
- Step 1: Write the proportion equation
346,358,782.08 : 477,793,905.39 = 214,157,518.92 : x - Step 2: Convert to fraction form
346,358,782.08/477,793,905.39 = 214,157,518.92/x - Step 3: Cross multiply
346,358,782.08x = 477,793,905.39 × 214,157,518.92 - Step 4: Simplify right side
346,358,782.08x = 102,323,157,333,419,600 - Step 5: Solve for x
x = 102,323,157,333,419,600/346,358,782.08 - Step 6: Final answer
x = 295,425,329.54
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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.