Finding the Fourth Proportional to 1,201,057,846.26, 1,801,858,427.19 and 648,348,411.29
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Solution
The fourth proportional to 1,201,057,846.26, 1,801,858,427.19 and 648,348,411.29 is: 972,669,261.75
Step by Step Solution
- Step 1: Write the proportion equation
1,201,057,846.26 : 1,801,858,427.19 = 648,348,411.29 : x - Step 2: Convert to fraction form
1,201,057,846.26/1,801,858,427.19 = 648,348,411.29/x - Step 3: Cross multiply
1,201,057,846.26x = 1,801,858,427.19 × 648,348,411.29 - Step 4: Simplify right side
1,201,057,846.26x = 1,168,232,048,642,785,792 - Step 5: Solve for x
x = 1,168,232,048,642,785,792/1,201,057,846.26 - Step 6: Final answer
x = 972,669,261.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.