Finding the Fourth Proportional to 542,051,462.44, 748,028,414.10 and 307,101,617.79
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Solution
The fourth proportional to 542,051,462.44, 748,028,414.10 and 307,101,617.79 is: 423,798,757.20
Step by Step Solution
- Step 1: Write the proportion equation
542,051,462.44 : 748,028,414.10 = 307,101,617.79 : x - Step 2: Convert to fraction form
542,051,462.44/748,028,414.10 = 307,101,617.79/x - Step 3: Cross multiply
542,051,462.44x = 748,028,414.10 × 307,101,617.79 - Step 4: Simplify right side
542,051,462.44x = 229,720,736,122,998,080 - Step 5: Solve for x
x = 229,720,736,122,998,080/542,051,462.44 - Step 6: Final answer
x = 423,798,757.20
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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.