Finding the Fourth Proportional to 5,519,240,071.20, 8,278,860,106.80 and 4,430,848,903.20
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Solution
The fourth proportional to 5,519,240,071.20, 8,278,860,106.80 and 4,430,848,903.20 is: 6,646,273,354.80
Step by Step Solution
- Step 1: Write the proportion equation
5,519,240,071.20 : 8,278,860,106.80 = 4,430,848,903.20 : x - Step 2: Convert to fraction form
5,519,240,071.20/8,278,860,106.80 = 4,430,848,903.20/x - Step 3: Cross multiply
5,519,240,071.20x = 8,278,860,106.80 × 4,430,848,903.20 - Step 4: Simplify right side
5,519,240,071.20x = 36,682,378,223,961,014,272 - Step 5: Solve for x
x = 36,682,378,223,961,014,272/5,519,240,071.20 - Step 6: Final answer
x = 6,646,273,354.80
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Similar ratio
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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.