Finding the Fourth Proportional to 703,498,052.88, 1,055,256,059.69 and 185,924,021.63
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Solution
The fourth proportional to 703,498,052.88, 1,055,256,059.69 and 185,924,021.63 is: 278,888,405.81
Step by Step Solution
- Step 1: Write the proportion equation
703,498,052.88 : 1,055,256,059.69 = 185,924,021.63 : x - Step 2: Convert to fraction form
703,498,052.88/1,055,256,059.69 = 185,924,021.63/x - Step 3: Cross multiply
703,498,052.88x = 1,055,256,059.69 × 185,924,021.63 - Step 4: Simplify right side
703,498,052.88x = 196,197,450,461,492,736 - Step 5: Solve for x
x = 196,197,450,461,492,736/703,498,052.88 - Step 6: Final answer
x = 278,888,405.81
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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.