Finding the Fourth Proportional to 2,318,816,808.04, 3,199,992,568.74 and 1,261,550,790.76
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Solution
The fourth proportional to 2,318,816,808.04, 3,199,992,568.74 and 1,261,550,790.76 is: 1,740,953,895.76
Step by Step Solution
- Step 1: Write the proportion equation
2,318,816,808.04 : 3,199,992,568.74 = 1,261,550,790.76 : x - Step 2: Convert to fraction form
2,318,816,808.04/3,199,992,568.74 = 1,261,550,790.76/x - Step 3: Cross multiply
2,318,816,808.04x = 3,199,992,568.74 × 1,261,550,790.76 - Step 4: Simplify right side
2,318,816,808.04x = 4,036,953,155,520,070,144 - Step 5: Solve for x
x = 4,036,953,155,520,070,144/2,318,816,808.04 - Step 6: Final answer
x = 1,740,953,895.76
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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.