Finding the Fourth Proportional to 932,212,883,466.56, 1,286,440,088,279.40 and 520,687,367,832.32
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Solution
The fourth proportional to 932,212,883,466.56, 1,286,440,088,279.40 and 520,687,367,832.32 is: 718,540,920,555.95
Step by Step Solution
- Step 1: Write the proportion equation
932,212,883,466.56 : 1,286,440,088,279.40 = 520,687,367,832.32 : x - Step 2: Convert to fraction form
932,212,883,466.56/1,286,440,088,279.40 = 520,687,367,832.32/x - Step 3: Cross multiply
932,212,883,466.56x = 1,286,440,088,279.40 × 520,687,367,832.32 - Step 4: Simplify right side
932,212,883,466.56x = 669,833,103,440,178,172,657,664 - Step 5: Solve for x
x = 669,833,103,440,178,172,657,664/932,212,883,466.56 - Step 6: Final answer
x = 718,540,920,555.95
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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.