Finding the Fourth Proportional to 1,509,685,203.20, 2,083,345,717.60 and 831,489,133.01
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Solution
The fourth proportional to 1,509,685,203.20, 2,083,345,717.60 and 831,489,133.01 is: 1,147,444,063.71
Step by Step Solution
- Step 1: Write the proportion equation
1,509,685,203.20 : 2,083,345,717.60 = 831,489,133.01 : x - Step 2: Convert to fraction form
1,509,685,203.20/2,083,345,717.60 = 831,489,133.01/x - Step 3: Cross multiply
1,509,685,203.20x = 2,083,345,717.60 × 831,489,133.01 - Step 4: Simplify right side
1,509,685,203.20x = 1,732,279,324,477,984,512 - Step 5: Solve for x
x = 1,732,279,324,477,984,512/1,509,685,203.20 - Step 6: Final answer
x = 1,147,444,063.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.