Finding the Fourth Proportional to 397,831,292.70, 596,746,939.05 and 125,202,059.70
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Solution
The fourth proportional to 397,831,292.70, 596,746,939.05 and 125,202,059.70 is: 187,803,089.55
Step by Step Solution
- Step 1: Write the proportion equation
397,831,292.70 : 596,746,939.05 = 125,202,059.70 : x - Step 2: Convert to fraction form
397,831,292.70/596,746,939.05 = 125,202,059.70/x - Step 3: Cross multiply
397,831,292.70x = 596,746,939.05 × 125,202,059.70 - Step 4: Simplify right side
397,831,292.70x = 74,713,945,888,730,352 - Step 5: Solve for x
x = 74,713,945,888,730,352/397,831,292.70 - Step 6: Final answer
x = 187,803,089.55
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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.