Finding the Fourth Proportional to 519,303,529.63, 777,718,759.11 and 300,492,736.21
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Solution
The fourth proportional to 519,303,529.63, 777,718,759.11 and 300,492,736.21 is: 450,023,588.50
Step by Step Solution
- Step 1: Write the proportion equation
519,303,529.63 : 777,718,759.11 = 300,492,736.21 : x - Step 2: Convert to fraction form
519,303,529.63/777,718,759.11 = 300,492,736.21/x - Step 3: Cross multiply
519,303,529.63x = 777,718,759.11 × 300,492,736.21 - Step 4: Simplify right side
519,303,529.63x = 233,698,837,926,809,760 - Step 5: Solve for x
x = 233,698,837,926,809,760/519,303,529.63 - Step 6: Final answer
x = 450,023,588.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.