Finding the Fourth Proportional to 3,549,436,277.20, 5,324,154,415.80 and 929,235,317.20
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Solution
The fourth proportional to 3,549,436,277.20, 5,324,154,415.80 and 929,235,317.20 is: 1,393,852,975.80
Step by Step Solution
- Step 1: Write the proportion equation
3,549,436,277.20 : 5,324,154,415.80 = 929,235,317.20 : x - Step 2: Convert to fraction form
3,549,436,277.20/5,324,154,415.80 = 929,235,317.20/x - Step 3: Cross multiply
3,549,436,277.20x = 5,324,154,415.80 × 929,235,317.20 - Step 4: Simplify right side
3,549,436,277.20x = 4,947,392,317,387,694,080 - Step 5: Solve for x
x = 4,947,392,317,387,694,080/3,549,436,277.20 - Step 6: Final answer
x = 1,393,852,975.80
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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.