Finding the Fourth Proportional to 1,620,036,060.53, 2,430,036,376.02 and 393,204,512.03
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Solution
The fourth proportional to 1,620,036,060.53, 2,430,036,376.02 and 393,204,512.03 is: 589,802,468.43
Step by Step Solution
- Step 1: Write the proportion equation
1,620,036,060.53 : 2,430,036,376.02 = 393,204,512.03 : x - Step 2: Convert to fraction form
1,620,036,060.53/2,430,036,376.02 = 393,204,512.03/x - Step 3: Cross multiply
1,620,036,060.53x = 2,430,036,376.02 × 393,204,512.03 - Step 4: Simplify right side
1,620,036,060.53x = 955,501,267,435,943,424 - Step 5: Solve for x
x = 955,501,267,435,943,424/1,620,036,060.53 - Step 6: Final answer
x = 589,802,468.43
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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.