Finding the Fourth Proportional to 557,919,324.24, 769,935,749.76 and 307,052,600.16
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Solution
The fourth proportional to 557,919,324.24, 769,935,749.76 and 307,052,600.16 is: 423,736,485.99
Step by Step Solution
- Step 1: Write the proportion equation
557,919,324.24 : 769,935,749.76 = 307,052,600.16 : x - Step 2: Convert to fraction form
557,919,324.24/769,935,749.76 = 307,052,600.16/x - Step 3: Cross multiply
557,919,324.24x = 769,935,749.76 × 307,052,600.16 - Step 4: Simplify right side
557,919,324.24x = 236,410,773,919,947,104 - Step 5: Solve for x
x = 236,410,773,919,947,104/557,919,324.24 - Step 6: Final answer
x = 423,736,485.99
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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.