Finding the Fourth Proportional to 412,759,792.88, 569,591,435.66 and 224,588,860.96
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Solution
The fourth proportional to 412,759,792.88, 569,591,435.66 and 224,588,860.96 is: 309,923,335.45
Step by Step Solution
- Step 1: Write the proportion equation
412,759,792.88 : 569,591,435.66 = 224,588,860.96 : x - Step 2: Convert to fraction form
412,759,792.88/569,591,435.66 = 224,588,860.96/x - Step 3: Cross multiply
412,759,792.88x = 569,591,435.66 × 224,588,860.96 - Step 4: Simplify right side
412,759,792.88x = 127,923,891,747,450,528 - Step 5: Solve for x
x = 127,923,891,747,450,528/412,759,792.88 - Step 6: Final answer
x = 309,923,335.45
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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.