Finding the Fourth Proportional to 1,244,708,422.20, 1,867,062,633.30 and 1,173,282,751.80
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Solution
The fourth proportional to 1,244,708,422.20, 1,867,062,633.30 and 1,173,282,751.80 is: 1,759,924,127.70
Step by Step Solution
- Step 1: Write the proportion equation
1,244,708,422.20 : 1,867,062,633.30 = 1,173,282,751.80 : x - Step 2: Convert to fraction form
1,244,708,422.20/1,867,062,633.30 = 1,173,282,751.80/x - Step 3: Cross multiply
1,244,708,422.20x = 1,867,062,633.30 × 1,173,282,751.80 - Step 4: Simplify right side
1,244,708,422.20x = 2,190,592,384,181,178,112 - Step 5: Solve for x
x = 2,190,592,384,181,178,112/1,244,708,422.20 - Step 6: Final answer
x = 1,759,924,127.70
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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.