Finding the Fourth Proportional to 7,464,998,509.20, 11,197,497,763.80 and 2,556,040,813.20
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Solution
The fourth proportional to 7,464,998,509.20, 11,197,497,763.80 and 2,556,040,813.20 is: 3,834,061,219.80
Step by Step Solution
- Step 1: Write the proportion equation
7,464,998,509.20 : 11,197,497,763.80 = 2,556,040,813.20 : x - Step 2: Convert to fraction form
7,464,998,509.20/11,197,497,763.80 = 2,556,040,813.20/x - Step 3: Cross multiply
7,464,998,509.20x = 11,197,497,763.80 × 2,556,040,813.20 - Step 4: Simplify right side
7,464,998,509.20x = 28,621,261,289,988,530,176 - Step 5: Solve for x
x = 28,621,261,289,988,530,176/7,464,998,509.20 - Step 6: Final answer
x = 3,834,061,219.80
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1.5x scale
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.