Finding the Fourth Proportional to 608,970,850.28, 840,380,584.33 and 330,512,373.81
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Solution
The fourth proportional to 608,970,850.28, 840,380,584.33 and 330,512,373.81 is: 456,107,515.99
Step by Step Solution
- Step 1: Write the proportion equation
608,970,850.28 : 840,380,584.33 = 330,512,373.81 : x - Step 2: Convert to fraction form
608,970,850.28/840,380,584.33 = 330,512,373.81/x - Step 3: Cross multiply
608,970,850.28x = 840,380,584.33 × 330,512,373.81 - Step 4: Simplify right side
608,970,850.28x = 277,756,181,830,743,200 - Step 5: Solve for x
x = 277,756,181,830,743,200/608,970,850.28 - Step 6: Final answer
x = 456,107,515.99
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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.