Finding the Fourth Proportional to 1,974,197,494.94, 2,961,296,062.58 and 868,802,351.36
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Solution
The fourth proportional to 1,974,197,494.94, 2,961,296,062.58 and 868,802,351.36 is: 1,303,203,447.90
Step by Step Solution
- Step 1: Write the proportion equation
1,974,197,494.94 : 2,961,296,062.58 = 868,802,351.36 : x - Step 2: Convert to fraction form
1,974,197,494.94/2,961,296,062.58 = 868,802,351.36/x - Step 3: Cross multiply
1,974,197,494.94x = 2,961,296,062.58 × 868,802,351.36 - Step 4: Simplify right side
1,974,197,494.94x = 2,572,780,982,242,613,760 - Step 5: Solve for x
x = 2,572,780,982,242,613,760/1,974,197,494.94 - Step 6: Final answer
x = 1,303,203,447.90
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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.