Finding the Fourth Proportional to 6,161,394,191.51, 9,239,030,931.13 and 1,963,800,809.99
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Solution
The fourth proportional to 6,161,394,191.51, 9,239,030,931.13 and 1,963,800,809.99 is: 2,944,725,797.79
Step by Step Solution
- Step 1: Write the proportion equation
6,161,394,191.51 : 9,239,030,931.13 = 1,963,800,809.99 : x - Step 2: Convert to fraction form
6,161,394,191.51/9,239,030,931.13 = 1,963,800,809.99/x - Step 3: Cross multiply
6,161,394,191.51x = 9,239,030,931.13 × 1,963,800,809.99 - Step 4: Simplify right side
6,161,394,191.51x = 18,143,616,426,093,946,880 - Step 5: Solve for x
x = 18,143,616,426,093,946,880/6,161,394,191.51 - Step 6: Final answer
x = 2,944,725,797.79
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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.