Finding the Fourth Proportional to 5,103,021,608.70, 7,648,485,795.45 and 2,155,295,528.70
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Solution
The fourth proportional to 5,103,021,608.70, 7,648,485,795.45 and 2,155,295,528.70 is: 3,230,389,463.40
Step by Step Solution
- Step 1: Write the proportion equation
5,103,021,608.70 : 7,648,485,795.45 = 2,155,295,528.70 : x - Step 2: Convert to fraction form
5,103,021,608.70/7,648,485,795.45 = 2,155,295,528.70/x - Step 3: Cross multiply
5,103,021,608.70x = 7,648,485,795.45 × 2,155,295,528.70 - Step 4: Simplify right side
5,103,021,608.70x = 16,484,747,236,258,846,720 - Step 5: Solve for x
x = 16,484,747,236,258,846,720/5,103,021,608.70 - Step 6: Final answer
x = 3,230,389,463.40
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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.