Finding the Fourth Proportional to 371,168,894.74, 512,156,135.34 and 214,505,749.02
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Solution
The fourth proportional to 371,168,894.74, 512,156,135.34 and 214,505,749.02 is: 295,985,027.26
Step by Step Solution
- Step 1: Write the proportion equation
371,168,894.74 : 512,156,135.34 = 214,505,749.02 : x - Step 2: Convert to fraction form
371,168,894.74/512,156,135.34 = 214,505,749.02/x - Step 3: Cross multiply
371,168,894.74x = 512,156,135.34 × 214,505,749.02 - Step 4: Simplify right side
371,168,894.74x = 109,860,435,426,295,200 - Step 5: Solve for x
x = 109,860,435,426,295,200/371,168,894.74 - Step 6: Final answer
x = 295,985,027.26
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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.