Finding the Fourth Proportional to 6,349,765,299.84, 8,763,166,952.56 and 3,809,542,864.16
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Solution
The fourth proportional to 6,349,765,299.84, 8,763,166,952.56 and 3,809,542,864.16 is: 5,257,463,631.36
Step by Step Solution
- Step 1: Write the proportion equation
6,349,765,299.84 : 8,763,166,952.56 = 3,809,542,864.16 : x - Step 2: Convert to fraction form
6,349,765,299.84/8,763,166,952.56 = 3,809,542,864.16/x - Step 3: Cross multiply
6,349,765,299.84x = 8,763,166,952.56 × 3,809,542,864.16 - Step 4: Simplify right side
6,349,765,299.84x = 33,383,660,131,567,677,440 - Step 5: Solve for x
x = 33,383,660,131,567,677,440/6,349,765,299.84 - Step 6: Final answer
x = 5,257,463,631.36
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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.