Finding the Fourth Proportional to 532,236,415.20, 798,354,622.80 and 492,423,295.20
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Solution
The fourth proportional to 532,236,415.20, 798,354,622.80 and 492,423,295.20 is: 738,634,942.80
Step by Step Solution
- Step 1: Write the proportion equation
532,236,415.20 : 798,354,622.80 = 492,423,295.20 : x - Step 2: Convert to fraction form
532,236,415.20/798,354,622.80 = 492,423,295.20/x - Step 3: Cross multiply
532,236,415.20x = 798,354,622.80 × 492,423,295.20 - Step 4: Simplify right side
532,236,415.20x = 393,128,414,097,329,024 - Step 5: Solve for x
x = 393,128,414,097,329,024/532,236,415.20 - Step 6: Final answer
x = 738,634,942.80
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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.