Finding the Fourth Proportional to 438,777,133.74, 605,550,751.61 and 240,576,935.52
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Solution
The fourth proportional to 438,777,133.74, 605,550,751.61 and 240,576,935.52 is: 332,017,174.37
Step by Step Solution
- Step 1: Write the proportion equation
438,777,133.74 : 605,550,751.61 = 240,576,935.52 : x - Step 2: Convert to fraction form
438,777,133.74/605,550,751.61 = 240,576,935.52/x - Step 3: Cross multiply
438,777,133.74x = 605,550,751.61 × 240,576,935.52 - Step 4: Simplify right side
438,777,133.74x = 145,681,544,122,963,648 - Step 5: Solve for x
x = 145,681,544,122,963,648/438,777,133.74 - Step 6: Final answer
x = 332,017,174.37
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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.