Finding the Fourth Proportional to 397,831,292.20, 596,746,938.30 and 125,202,059.20
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Solution
The fourth proportional to 397,831,292.20, 596,746,938.30 and 125,202,059.20 is: 187,803,088.80
Step by Step Solution
- Step 1: Write the proportion equation
397,831,292.20 : 596,746,938.30 = 125,202,059.20 : x - Step 2: Convert to fraction form
397,831,292.20/596,746,938.30 = 125,202,059.20/x - Step 3: Cross multiply
397,831,292.20x = 596,746,938.30 × 125,202,059.20 - Step 4: Simplify right side
397,831,292.20x = 74,713,945,496,455,344 - Step 5: Solve for x
x = 74,713,945,496,455,344/397,831,292.20 - Step 6: Final answer
x = 187,803,088.80
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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.