Finding the Fourth Proportional to 896,831,372.70, 1,345,247,059.05 and 771,995,881.80
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Solution
The fourth proportional to 896,831,372.70, 1,345,247,059.05 and 771,995,881.80 is: 1,157,993,822.70
Step by Step Solution
- Step 1: Write the proportion equation
896,831,372.70 : 1,345,247,059.05 = 771,995,881.80 : x - Step 2: Convert to fraction form
896,831,372.70/1,345,247,059.05 = 771,995,881.80/x - Step 3: Cross multiply
896,831,372.70x = 1,345,247,059.05 × 771,995,881.80 - Step 4: Simplify right side
896,831,372.70x = 1,038,525,189,590,161,280 - Step 5: Solve for x
x = 1,038,525,189,590,161,280/896,831,372.70 - Step 6: Final answer
x = 1,157,993,822.70
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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.