Finding the Fourth Proportional to 6,631,198,284.08, 9,155,183,508.60 and 4,221,240,564.17
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Solution
The fourth proportional to 6,631,198,284.08, 9,155,183,508.60 and 4,221,240,564.17 is: 5,827,940,945.71
Step by Step Solution
- Step 1: Write the proportion equation
6,631,198,284.08 : 9,155,183,508.60 = 4,221,240,564.17 : x - Step 2: Convert to fraction form
6,631,198,284.08/9,155,183,508.60 = 4,221,240,564.17/x - Step 3: Cross multiply
6,631,198,284.08x = 9,155,183,508.60 × 4,221,240,564.17 - Step 4: Simplify right side
6,631,198,284.08x = 38,646,231,998,930,657,280 - Step 5: Solve for x
x = 38,646,231,998,930,657,280/6,631,198,284.08 - Step 6: Final answer
x = 5,827,940,945.71
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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.