Finding the Fourth Proportional to 1,503,768,205.66, 2,255,649,206.99 and 848,421,735.70
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Solution
The fourth proportional to 1,503,768,205.66, 2,255,649,206.99 and 848,421,735.70 is: 1,272,630,853.69
Step by Step Solution
- Step 1: Write the proportion equation
1,503,768,205.66 : 2,255,649,206.99 = 848,421,735.70 : x - Step 2: Convert to fraction form
1,503,768,205.66/2,255,649,206.99 = 848,421,735.70/x - Step 3: Cross multiply
1,503,768,205.66x = 2,255,649,206.99 × 848,421,735.70 - Step 4: Simplify right side
1,503,768,205.66x = 1,913,741,815,324,784,384 - Step 5: Solve for x
x = 1,913,741,815,324,784,384/1,503,768,205.66 - Step 6: Final answer
x = 1,272,630,853.69
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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.