Finding the Fourth Proportional to 1,415,236,441.80, 2,122,854,662.70 and 1,001,987,920.20
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Solution
The fourth proportional to 1,415,236,441.80, 2,122,854,662.70 and 1,001,987,920.20 is: 1,502,981,880.30
Step by Step Solution
- Step 1: Write the proportion equation
1,415,236,441.80 : 2,122,854,662.70 = 1,001,987,920.20 : x - Step 2: Convert to fraction form
1,415,236,441.80/2,122,854,662.70 = 1,001,987,920.20/x - Step 3: Cross multiply
1,415,236,441.80x = 2,122,854,662.70 × 1,001,987,920.20 - Step 4: Simplify right side
1,415,236,441.80x = 2,127,074,728,365,645,568 - Step 5: Solve for x
x = 2,127,074,728,365,645,568/1,415,236,441.80 - Step 6: Final answer
x = 1,502,981,880.30
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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.