Finding the Fourth Proportional to 437,305,525.63, 603,488,795.08 and 261,108,918.07
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Solution
The fourth proportional to 437,305,525.63, 603,488,795.08 and 261,108,918.07 is: 360,334,587.87
Step by Step Solution
- Step 1: Write the proportion equation
437,305,525.63 : 603,488,795.08 = 261,108,918.07 : x - Step 2: Convert to fraction form
437,305,525.63/603,488,795.08 = 261,108,918.07/x - Step 3: Cross multiply
437,305,525.63x = 603,488,795.08 × 261,108,918.07 - Step 4: Simplify right side
437,305,525.63x = 157,576,306,350,706,752 - Step 5: Solve for x
x = 157,576,306,350,706,752/437,305,525.63 - Step 6: Final answer
x = 360,334,587.87
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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.