Finding the Fourth Proportional to 756,831,935.80, 1,135,247,903.70 and 744,077,351.80
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Solution
The fourth proportional to 756,831,935.80, 1,135,247,903.70 and 744,077,351.80 is: 1,116,116,027.70
Step by Step Solution
- Step 1: Write the proportion equation
756,831,935.80 : 1,135,247,903.70 = 744,077,351.80 : x - Step 2: Convert to fraction form
756,831,935.80/1,135,247,903.70 = 744,077,351.80/x - Step 3: Cross multiply
756,831,935.80x = 1,135,247,903.70 × 744,077,351.80 - Step 4: Simplify right side
756,831,935.80x = 844,712,253,821,597,440 - Step 5: Solve for x
x = 844,712,253,821,597,440/756,831,935.80 - Step 6: Final answer
x = 1,116,116,027.70
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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.