Finding the Fourth Proportional to 397,831,409.70, 596,747,114.55 and 125,202,176.70
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Solution
The fourth proportional to 397,831,409.70, 596,747,114.55 and 125,202,176.70 is: 187,803,265.05
Step by Step Solution
- Step 1: Write the proportion equation
397,831,409.70 : 596,747,114.55 = 125,202,176.70 : x - Step 2: Convert to fraction form
397,831,409.70/596,747,114.55 = 125,202,176.70/x - Step 3: Cross multiply
397,831,409.70x = 596,747,114.55 × 125,202,176.70 - Step 4: Simplify right side
397,831,409.70x = 74,714,037,681,104,240 - Step 5: Solve for x
x = 74,714,037,681,104,240/397,831,409.70 - Step 6: Final answer
x = 187,803,265.05
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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.