Finding the Fourth Proportional to 7,243,344,093.80, 10,865,016,140.70 and 7,039,270,749.80
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Solution
The fourth proportional to 7,243,344,093.80, 10,865,016,140.70 and 7,039,270,749.80 is: 10,558,906,124.70
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,093.80 : 10,865,016,140.70 = 7,039,270,749.80 : x - Step 2: Convert to fraction form
7,243,344,093.80/10,865,016,140.70 = 7,039,270,749.80/x - Step 3: Cross multiply
7,243,344,093.80x = 10,865,016,140.70 × 7,039,270,749.80 - Step 4: Simplify right side
7,243,344,093.80x = 76,481,790,315,334,402,048 - Step 5: Solve for x
x = 76,481,790,315,334,402,048/7,243,344,093.80 - Step 6: Final answer
x = 10,558,906,124.70
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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.