Finding the Fourth Proportional to 8,472,354,888.44, 12,704,605,214.66 and 3,159,040,416.42
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Solution
The fourth proportional to 8,472,354,888.44, 12,704,605,214.66 and 3,159,040,416.42 is: 4,737,096,341.72
Step by Step Solution
- Step 1: Write the proportion equation
8,472,354,888.44 : 12,704,605,214.66 = 3,159,040,416.42 : x - Step 2: Convert to fraction form
8,472,354,888.44/12,704,605,214.66 = 3,159,040,416.42/x - Step 3: Cross multiply
8,472,354,888.44x = 12,704,605,214.66 × 3,159,040,416.42 - Step 4: Simplify right side
8,472,354,888.44x = 40,134,361,347,771,228,160 - Step 5: Solve for x
x = 40,134,361,347,771,228,160/8,472,354,888.44 - Step 6: Final answer
x = 4,737,096,341.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.