Finding the Fourth Proportional to 3,929,507,402.64, 5,884,864,512.96 and 2,266,372,523.76
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Solution
The fourth proportional to 3,929,507,402.64, 5,884,864,512.96 and 2,266,372,523.76 is: 3,394,139,232.12
Step by Step Solution
- Step 1: Write the proportion equation
3,929,507,402.64 : 5,884,864,512.96 = 2,266,372,523.76 : x - Step 2: Convert to fraction form
3,929,507,402.64/5,884,864,512.96 = 2,266,372,523.76/x - Step 3: Cross multiply
3,929,507,402.64x = 5,884,864,512.96 × 2,266,372,523.76 - Step 4: Simplify right side
3,929,507,402.64x = 13,337,295,238,222,819,328 - Step 5: Solve for x
x = 13,337,295,238,222,819,328/3,929,507,402.64 - Step 6: Final answer
x = 3,394,139,232.12
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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.