Finding the Fourth Proportional to 1,747,461,998.18, 2,411,481,259.96 and 954,507,673.82
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Solution
The fourth proportional to 1,747,461,998.18, 2,411,481,259.96 and 954,507,673.82 is: 1,317,211,687.75
Step by Step Solution
- Step 1: Write the proportion equation
1,747,461,998.18 : 2,411,481,259.96 = 954,507,673.82 : x - Step 2: Convert to fraction form
1,747,461,998.18/2,411,481,259.96 = 954,507,673.82/x - Step 3: Cross multiply
1,747,461,998.18x = 2,411,481,259.96 × 954,507,673.82 - Step 4: Simplify right side
1,747,461,998.18x = 2,301,777,367,890,498,816 - Step 5: Solve for x
x = 2,301,777,367,890,498,816/1,747,461,998.18 - Step 6: Final answer
x = 1,317,211,687.75
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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.