Finding the Fourth Proportional to 486,518,072.22, 671,405,781.06 and 277,670,026.08
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Solution
The fourth proportional to 486,518,072.22, 671,405,781.06 and 277,670,026.08 is: 383,190,823.49
Step by Step Solution
- Step 1: Write the proportion equation
486,518,072.22 : 671,405,781.06 = 277,670,026.08 : x - Step 2: Convert to fraction form
486,518,072.22/671,405,781.06 = 277,670,026.08/x - Step 3: Cross multiply
486,518,072.22x = 671,405,781.06 × 277,670,026.08 - Step 4: Simplify right side
486,518,072.22x = 186,429,260,737,192,928 - Step 5: Solve for x
x = 186,429,260,737,192,928/486,518,072.22 - Step 6: Final answer
x = 383,190,823.49
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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.