Finding the Fourth Proportional to 2,454,483,857.67, 3,681,739,550.21 and 818,703,969.03
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Solution
The fourth proportional to 2,454,483,857.67, 3,681,739,550.21 and 818,703,969.03 is: 1,228,060,544.49
Step by Step Solution
- Step 1: Write the proportion equation
2,454,483,857.67 : 3,681,739,550.21 = 818,703,969.03 : x - Step 2: Convert to fraction form
2,454,483,857.67/3,681,739,550.21 = 818,703,969.03/x - Step 3: Cross multiply
2,454,483,857.67x = 3,681,739,550.21 × 818,703,969.03 - Step 4: Simplify right side
2,454,483,857.67x = 3,014,254,782,687,560,192 - Step 5: Solve for x
x = 3,014,254,782,687,560,192/2,454,483,857.67 - Step 6: Final answer
x = 1,228,060,544.49
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1.5x scale
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.