Finding the Fourth Proportional to 65,508,893,931,221, 90,405,115,354,325 and 36,277,436,905,441
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Solution
The fourth proportional to 65,508,893,931,221, 90,405,115,354,325 and 36,277,436,905,441 is: 50,064,436,618,927.23
Step by Step Solution
- Step 1: Write the proportion equation
65,508,893,931,221 : 90,405,115,354,325 = 36,277,436,905,441 : x - Step 2: Convert to fraction form
65,508,893,931,221/90,405,115,354,325 = 36,277,436,905,441/x - Step 3: Cross multiply
65,508,893,931,221x = 90,405,115,354,325 × 36,277,436,905,441 - Step 4: Simplify right side
65,508,893,931,221x = 3,279,665,868,195,640,690,759,172,096 - Step 5: Solve for x
x = 3,279,665,868,195,640,690,759,172,096/65,508,893,931,221 - Step 6: Final answer
x = 50,064,436,618,927.23
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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.