Finding the Fourth Proportional to 2,152,512,921.48, 2,970,467,806.96 and 1,162,438,338.48
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Solution
The fourth proportional to 2,152,512,921.48, 2,970,467,806.96 and 1,162,438,338.48 is: 1,604,164,893.77
Step by Step Solution
- Step 1: Write the proportion equation
2,152,512,921.48 : 2,970,467,806.96 = 1,162,438,338.48 : x - Step 2: Convert to fraction form
2,152,512,921.48/2,970,467,806.96 = 1,162,438,338.48/x - Step 3: Cross multiply
2,152,512,921.48x = 2,970,467,806.96 × 1,162,438,338.48 - Step 4: Simplify right side
2,152,512,921.48x = 3,452,985,662,030,912,000 - Step 5: Solve for x
x = 3,452,985,662,030,912,000/2,152,512,921.48 - Step 6: Final answer
x = 1,604,164,893.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.