Finding the Fourth Proportional to 10,170,518,874.62, 14,035,620,147.84 and 5,592,545,490.18
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Solution
The fourth proportional to 10,170,518,874.62, 14,035,620,147.84 and 5,592,545,490.18 is: 7,717,879,994.85
Step by Step Solution
- Step 1: Write the proportion equation
10,170,518,874.62 : 14,035,620,147.84 = 5,592,545,490.18 : x - Step 2: Convert to fraction form
10,170,518,874.62/14,035,620,147.84 = 5,592,545,490.18/x - Step 3: Cross multiply
10,170,518,874.62x = 14,035,620,147.84 × 5,592,545,490.18 - Step 4: Simplify right side
10,170,518,874.62x = 78,494,844,159,682,134,016 - Step 5: Solve for x
x = 78,494,844,159,682,134,016/10,170,518,874.62 - Step 6: Final answer
x = 7,717,879,994.85
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1.5x scale
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.