Finding the Fourth Proportional to 550,495,423.80, 825,743,135.70 and 223,127,767.80
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Solution
The fourth proportional to 550,495,423.80, 825,743,135.70 and 223,127,767.80 is: 334,691,651.70
Step by Step Solution
- Step 1: Write the proportion equation
550,495,423.80 : 825,743,135.70 = 223,127,767.80 : x - Step 2: Convert to fraction form
550,495,423.80/825,743,135.70 = 223,127,767.80/x - Step 3: Cross multiply
550,495,423.80x = 825,743,135.70 × 223,127,767.80 - Step 4: Simplify right side
550,495,423.80x = 184,246,222,644,913,504 - Step 5: Solve for x
x = 184,246,222,644,913,504/550,495,423.80 - Step 6: Final answer
x = 334,691,651.70
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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.