Finding the Fourth Proportional to 486,456,968.08, 671,310,977.88 and 263,440,380.88
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Solution
The fourth proportional to 486,456,968.08, 671,310,977.88 and 263,440,380.88 is: 363,547,921.62
Step by Step Solution
- Step 1: Write the proportion equation
486,456,968.08 : 671,310,977.88 = 263,440,380.88 : x - Step 2: Convert to fraction form
486,456,968.08/671,310,977.88 = 263,440,380.88/x - Step 3: Cross multiply
486,456,968.08x = 671,310,977.88 × 263,440,380.88 - Step 4: Simplify right side
486,456,968.08x = 176,850,419,701,632,448 - Step 5: Solve for x
x = 176,850,419,701,632,448/486,456,968.08 - Step 6: Final answer
x = 363,547,921.62
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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.