Finding the Fourth Proportional to 6,115,264,951.29, 8,438,933,361.09 and 3,540,397,270.92
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Solution
The fourth proportional to 6,115,264,951.29, 8,438,933,361.09 and 3,540,397,270.92 is: 4,885,671,655.94
Step by Step Solution
- Step 1: Write the proportion equation
6,115,264,951.29 : 8,438,933,361.09 = 3,540,397,270.92 : x - Step 2: Convert to fraction form
6,115,264,951.29/8,438,933,361.09 = 3,540,397,270.92/x - Step 3: Cross multiply
6,115,264,951.29x = 8,438,933,361.09 × 3,540,397,270.92 - Step 4: Simplify right side
6,115,264,951.29x = 29,877,176,641,078,779,904 - Step 5: Solve for x
x = 29,877,176,641,078,779,904/6,115,264,951.29 - Step 6: Final answer
x = 4,885,671,655.94
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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.