Finding the Fourth Proportional to 509,915,593.80, 764,873,390.70 and 467,400,313.80
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Solution
The fourth proportional to 509,915,593.80, 764,873,390.70 and 467,400,313.80 is: 701,100,470.70
Step by Step Solution
- Step 1: Write the proportion equation
509,915,593.80 : 764,873,390.70 = 467,400,313.80 : x - Step 2: Convert to fraction form
509,915,593.80/764,873,390.70 = 467,400,313.80/x - Step 3: Cross multiply
509,915,593.80x = 764,873,390.70 × 467,400,313.80 - Step 4: Simplify right side
509,915,593.80x = 357,502,062,830,450,048 - Step 5: Solve for x
x = 357,502,062,830,450,048/509,915,593.80 - Step 6: Final answer
x = 701,100,470.70
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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.