Finding the Fourth Proportional to 1,644,147,750.30, 2,466,221,625.45 and 417,316,201.80
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Solution
The fourth proportional to 1,644,147,750.30, 2,466,221,625.45 and 417,316,201.80 is: 625,974,302.70
Step by Step Solution
- Step 1: Write the proportion equation
1,644,147,750.30 : 2,466,221,625.45 = 417,316,201.80 : x - Step 2: Convert to fraction form
1,644,147,750.30/2,466,221,625.45 = 417,316,201.80/x - Step 3: Cross multiply
1,644,147,750.30x = 2,466,221,625.45 × 417,316,201.80 - Step 4: Simplify right side
1,644,147,750.30x = 1,029,194,241,529,816,192 - Step 5: Solve for x
x = 1,029,194,241,529,816,192/1,644,147,750.30 - Step 6: Final answer
x = 625,974,302.70
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Double scale
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Similar ratio
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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.