Finding the Fourth Proportional to 1,761,841,432.44, 2,430,653,043.60 and 1,008,752,126.76
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Solution
The fourth proportional to 1,761,841,432.44, 2,430,653,043.60 and 1,008,752,126.76 is: 1,391,683,940.45
Step by Step Solution
- Step 1: Write the proportion equation
1,761,841,432.44 : 2,430,653,043.60 = 1,008,752,126.76 : x - Step 2: Convert to fraction form
1,761,841,432.44/2,430,653,043.60 = 1,008,752,126.76/x - Step 3: Cross multiply
1,761,841,432.44x = 2,430,653,043.60 × 1,008,752,126.76 - Step 4: Simplify right side
1,761,841,432.44x = 2,451,926,427,147,166,720 - Step 5: Solve for x
x = 2,451,926,427,147,166,720/1,761,841,432.44 - Step 6: Final answer
x = 1,391,683,940.45
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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.