Finding the Fourth Proportional to 756,831,936.80, 1,135,247,905.20 and 744,077,352.80
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Solution
The fourth proportional to 756,831,936.80, 1,135,247,905.20 and 744,077,352.80 is: 1,116,116,029.20
Step by Step Solution
- Step 1: Write the proportion equation
756,831,936.80 : 1,135,247,905.20 = 744,077,352.80 : x - Step 2: Convert to fraction form
756,831,936.80/1,135,247,905.20 = 744,077,352.80/x - Step 3: Cross multiply
756,831,936.80x = 1,135,247,905.20 × 744,077,352.80 - Step 4: Simplify right side
756,831,936.80x = 844,712,256,072,961,280 - Step 5: Solve for x
x = 844,712,256,072,961,280/756,831,936.80 - Step 6: Final answer
x = 1,116,116,029.20
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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.