Finding the Fourth Proportional to 1,523,556,471.72, 2,100,382,591.80 and 1,021,854,910.08
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Solution
The fourth proportional to 1,523,556,471.72, 2,100,382,591.80 and 1,021,854,910.08 is: 1,408,734,303.14
Step by Step Solution
- Step 1: Write the proportion equation
1,523,556,471.72 : 2,100,382,591.80 = 1,021,854,910.08 : x - Step 2: Convert to fraction form
1,523,556,471.72/2,100,382,591.80 = 1,021,854,910.08/x - Step 3: Cross multiply
1,523,556,471.72x = 2,100,382,591.80 × 1,021,854,910.08 - Step 4: Simplify right side
1,523,556,471.72x = 2,146,286,264,477,386,496 - Step 5: Solve for x
x = 2,146,286,264,477,386,496/1,523,556,471.72 - Step 6: Final answer
x = 1,408,734,303.14
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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.