Finding the Fourth Proportional to 2,361,868,924.80, 3,542,803,387.20 and 2,189,876,246.40
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Solution
The fourth proportional to 2,361,868,924.80, 3,542,803,387.20 and 2,189,876,246.40 is: 3,284,814,369.60
Step by Step Solution
- Step 1: Write the proportion equation
2,361,868,924.80 : 3,542,803,387.20 = 2,189,876,246.40 : x - Step 2: Convert to fraction form
2,361,868,924.80/3,542,803,387.20 = 2,189,876,246.40/x - Step 3: Cross multiply
2,361,868,924.80x = 3,542,803,387.20 × 2,189,876,246.40 - Step 4: Simplify right side
2,361,868,924.80x = 7,758,300,983,294,741,504 - Step 5: Solve for x
x = 7,758,300,983,294,741,504/2,361,868,924.80 - Step 6: Final answer
x = 3,284,814,369.60
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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.