Finding the Fourth Proportional to 7,562,134,690.80, 10,436,660,971.55 and 4,303,972,531.68
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Solution
The fourth proportional to 7,562,134,690.80, 10,436,660,971.55 and 4,303,972,531.68 is: 5,940,002,919.90
Step by Step Solution
- Step 1: Write the proportion equation
7,562,134,690.80 : 10,436,660,971.55 = 4,303,972,531.68 : x - Step 2: Convert to fraction form
7,562,134,690.80/10,436,660,971.55 = 4,303,972,531.68/x - Step 3: Cross multiply
7,562,134,690.80x = 10,436,660,971.55 × 4,303,972,531.68 - Step 4: Simplify right side
7,562,134,690.80x = 44,919,102,144,007,905,280 - Step 5: Solve for x
x = 44,919,102,144,007,905,280/7,562,134,690.80 - Step 6: Final answer
x = 5,940,002,919.90
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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.