Finding the Fourth Proportional to 4,431,689,938.91, 6,647,526,711.99 and 1,443,749,460.10
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Solution
The fourth proportional to 4,431,689,938.91, 6,647,526,711.99 and 1,443,749,460.10 is: 2,165,621,519.95
Step by Step Solution
- Step 1: Write the proportion equation
4,431,689,938.91 : 6,647,526,711.99 = 1,443,749,460.10 : x - Step 2: Convert to fraction form
4,431,689,938.91/6,647,526,711.99 = 1,443,749,460.10/x - Step 3: Cross multiply
4,431,689,938.91x = 6,647,526,711.99 × 1,443,749,460.10 - Step 4: Simplify right side
4,431,689,938.91x = 9,597,363,101,447,946,240 - Step 5: Solve for x
x = 9,597,363,101,447,946,240/4,431,689,938.91 - Step 6: Final answer
x = 2,165,621,519.95
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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.