Finding the Fourth Proportional to 2,218,922,291.36, 3,062,114,412.93 and 1,201,655,614.40
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Solution
The fourth proportional to 2,218,922,291.36, 3,062,114,412.93 and 1,201,655,614.40 is: 1,658,285,641.89
Step by Step Solution
- Step 1: Write the proportion equation
2,218,922,291.36 : 3,062,114,412.93 = 1,201,655,614.40 : x - Step 2: Convert to fraction form
2,218,922,291.36/3,062,114,412.93 = 1,201,655,614.40/x - Step 3: Cross multiply
2,218,922,291.36x = 3,062,114,412.93 × 1,201,655,614.40 - Step 4: Simplify right side
2,218,922,291.36x = 3,679,606,976,217,183,744 - Step 5: Solve for x
x = 3,679,606,976,217,183,744/2,218,922,291.36 - Step 6: Final answer
x = 1,658,285,641.89
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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.