Finding the Fourth Proportional to 21,800,725,581.74, 32,701,088,335.71 and 5,238,499,676.99
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Solution
The fourth proportional to 21,800,725,581.74, 32,701,088,335.71 and 5,238,499,676.99 is: 7,857,749,506.62
Step by Step Solution
- Step 1: Write the proportion equation
21,800,725,581.74 : 32,701,088,335.71 = 5,238,499,676.99 : x - Step 2: Convert to fraction form
21,800,725,581.74/32,701,088,335.71 = 5,238,499,676.99/x - Step 3: Cross multiply
21,800,725,581.74x = 32,701,088,335.71 × 5,238,499,676.99 - Step 4: Simplify right side
21,800,725,581.74x = 171,304,640,683,893,882,880 - Step 5: Solve for x
x = 171,304,640,683,893,882,880/21,800,725,581.74 - Step 6: Final answer
x = 7,857,749,506.62
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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.