Finding the Fourth Proportional to 753,436,324.01, 1,127,944,474.09 and 528,307,383.48
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Solution
The fourth proportional to 753,436,324.01, 1,127,944,474.09 and 528,307,383.48 is: 790,911,421.20
Step by Step Solution
- Step 1: Write the proportion equation
753,436,324.01 : 1,127,944,474.09 = 528,307,383.48 : x - Step 2: Convert to fraction form
753,436,324.01/1,127,944,474.09 = 528,307,383.48/x - Step 3: Cross multiply
753,436,324.01x = 1,127,944,474.09 × 528,307,383.48 - Step 4: Simplify right side
753,436,324.01x = 595,901,393,811,662,080 - Step 5: Solve for x
x = 595,901,393,811,662,080/753,436,324.01 - Step 6: Final answer
x = 790,911,421.20
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Double scale
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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.