Finding the Fourth Proportional to 332,155,274.80, 498,232,912.20 and 193,838,897.20
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Solution
The fourth proportional to 332,155,274.80, 498,232,912.20 and 193,838,897.20 is: 290,758,345.80
Step by Step Solution
- Step 1: Write the proportion equation
332,155,274.80 : 498,232,912.20 = 193,838,897.20 : x - Step 2: Convert to fraction form
332,155,274.80/498,232,912.20 = 193,838,897.20/x - Step 3: Cross multiply
332,155,274.80x = 498,232,912.20 × 193,838,897.20 - Step 4: Simplify right side
332,155,274.80x = 96,576,918,249,592,416 - Step 5: Solve for x
x = 96,576,918,249,592,416/332,155,274.80 - Step 6: Final answer
x = 290,758,345.80
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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.