Finding the Fourth Proportional to 1,024,057,324.99, 1,413,202,836.45 and 554,158,603.39
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Solution
The fourth proportional to 1,024,057,324.99, 1,413,202,836.45 and 554,158,603.39 is: 764,740,890.03
Step by Step Solution
- Step 1: Write the proportion equation
1,024,057,324.99 : 1,413,202,836.45 = 554,158,603.39 : x - Step 2: Convert to fraction form
1,024,057,324.99/1,413,202,836.45 = 554,158,603.39/x - Step 3: Cross multiply
1,024,057,324.99x = 1,413,202,836.45 × 554,158,603.39 - Step 4: Simplify right side
1,024,057,324.99x = 783,138,510,153,918,592 - Step 5: Solve for x
x = 783,138,510,153,918,592/1,024,057,324.99 - Step 6: Final answer
x = 764,740,890.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.