Finding the Fourth Proportional to 1,523,556,472.72, 2,100,382,593.18 and 1,021,854,911.08
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Solution
The fourth proportional to 1,523,556,472.72, 2,100,382,593.18 and 1,021,854,911.08 is: 1,408,734,304.52
Step by Step Solution
- Step 1: Write the proportion equation
1,523,556,472.72 : 2,100,382,593.18 = 1,021,854,911.08 : x - Step 2: Convert to fraction form
1,523,556,472.72/2,100,382,593.18 = 1,021,854,911.08/x - Step 3: Cross multiply
1,523,556,472.72x = 2,100,382,593.18 × 1,021,854,911.08 - Step 4: Simplify right side
1,523,556,472.72x = 2,146,286,267,987,928,832 - Step 5: Solve for x
x = 2,146,286,267,987,928,832/1,523,556,472.72 - Step 6: Final answer
x = 1,408,734,304.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.