Finding the Fourth Proportional to 372,372,176.24, 513,873,597.12 and 215,830,082.60
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Solution
The fourth proportional to 372,372,176.24, 513,873,597.12 and 215,830,082.60 is: 297,845,510.46
Step by Step Solution
- Step 1: Write the proportion equation
372,372,176.24 : 513,873,597.12 = 215,830,082.60 : x - Step 2: Convert to fraction form
372,372,176.24/513,873,597.12 = 215,830,082.60/x - Step 3: Cross multiply
372,372,176.24x = 513,873,597.12 × 215,830,082.60 - Step 4: Simplify right side
372,372,176.24x = 110,909,380,912,368,720 - Step 5: Solve for x
x = 110,909,380,912,368,720/372,372,176.24 - Step 6: Final answer
x = 297,845,510.46
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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.