Finding the Fourth Proportional to 555,236,358.57, 827,890,582.01 and 539,981,676.81
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Solution
The fourth proportional to 555,236,358.57, 827,890,582.01 and 539,981,676.81 is: 805,144,940.14
Step by Step Solution
- Step 1: Write the proportion equation
555,236,358.57 : 827,890,582.01 = 539,981,676.81 : x - Step 2: Convert to fraction form
555,236,358.57/827,890,582.01 = 539,981,676.81/x - Step 3: Cross multiply
555,236,358.57x = 827,890,582.01 × 539,981,676.81 - Step 4: Simplify right side
555,236,358.57x = 447,045,744,686,266,688 - Step 5: Solve for x
x = 447,045,744,686,266,688/555,236,358.57 - Step 6: Final answer
x = 805,144,940.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.