Finding the Fourth Proportional to 2,656,832,256.85, 3,985,263,283.14 and 886,198,114.73
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Solution
The fourth proportional to 2,656,832,256.85, 3,985,263,283.14 and 886,198,114.73 is: 1,329,302,141.34
Step by Step Solution
- Step 1: Write the proportion equation
2,656,832,256.85 : 3,985,263,283.14 = 886,198,114.73 : x - Step 2: Convert to fraction form
2,656,832,256.85/3,985,263,283.14 = 886,198,114.73/x - Step 3: Cross multiply
2,656,832,256.85x = 3,985,263,283.14 × 886,198,114.73 - Step 4: Simplify right side
2,656,832,256.85x = 3,531,732,808,216,621,568 - Step 5: Solve for x
x = 3,531,732,808,216,621,568/2,656,832,256.85 - Step 6: Final answer
x = 1,329,302,141.34
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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.