Finding the Fourth Proportional to 556,728,373.80, 835,092,560.70 and 193,222,729.80
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Solution
The fourth proportional to 556,728,373.80, 835,092,560.70 and 193,222,729.80 is: 289,834,094.70
Step by Step Solution
- Step 1: Write the proportion equation
556,728,373.80 : 835,092,560.70 = 193,222,729.80 : x - Step 2: Convert to fraction form
556,728,373.80/835,092,560.70 = 193,222,729.80/x - Step 3: Cross multiply
556,728,373.80x = 835,092,560.70 × 193,222,729.80 - Step 4: Simplify right side
556,728,373.80x = 161,358,864,214,126,208 - Step 5: Solve for x
x = 161,358,864,214,126,208/556,728,373.80 - Step 6: Final answer
x = 289,834,094.70
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1.5x scale
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.