Finding the Fourth Proportional to 6,631,198,257.08, 9,155,183,471.34 and 4,221,240,537.17
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Solution
The fourth proportional to 6,631,198,257.08, 9,155,183,471.34 and 4,221,240,537.17 is: 5,827,940,908.44
Step by Step Solution
- Step 1: Write the proportion equation
6,631,198,257.08 : 9,155,183,471.34 = 4,221,240,537.17 : x - Step 2: Convert to fraction form
6,631,198,257.08/9,155,183,471.34 = 4,221,240,537.17/x - Step 3: Cross multiply
6,631,198,257.08x = 9,155,183,471.34 × 4,221,240,537.17 - Step 4: Simplify right side
6,631,198,257.08x = 38,646,231,594,457,284,608 - Step 5: Solve for x
x = 38,646,231,594,457,284,608/6,631,198,257.08 - Step 6: Final answer
x = 5,827,940,908.44
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Double scale
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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.