Finding the Fourth Proportional to 743,838,191.98, 1,115,918,713.19 and 226,255,180.35
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Solution
The fourth proportional to 743,838,191.98, 1,115,918,713.19 and 226,255,180.35 is: 339,431,871.65
Step by Step Solution
- Step 1: Write the proportion equation
743,838,191.98 : 1,115,918,713.19 = 226,255,180.35 : x - Step 2: Convert to fraction form
743,838,191.98/1,115,918,713.19 = 226,255,180.35/x - Step 3: Cross multiply
743,838,191.98x = 1,115,918,713.19 × 226,255,180.35 - Step 4: Simplify right side
743,838,191.98x = 252,482,389,708,743,392 - Step 5: Solve for x
x = 252,482,389,708,743,392/743,838,191.98 - Step 6: Final answer
x = 339,431,871.65
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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.