Finding the Fourth Proportional to 2,544,848,138.40, 3,817,272,207.60 and 1,320,408,074.40
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Solution
The fourth proportional to 2,544,848,138.40, 3,817,272,207.60 and 1,320,408,074.40 is: 1,980,612,111.60
Step by Step Solution
- Step 1: Write the proportion equation
2,544,848,138.40 : 3,817,272,207.60 = 1,320,408,074.40 : x - Step 2: Convert to fraction form
2,544,848,138.40/3,817,272,207.60 = 1,320,408,074.40/x - Step 3: Cross multiply
2,544,848,138.40x = 3,817,272,207.60 × 1,320,408,074.40 - Step 4: Simplify right side
2,544,848,138.40x = 5,040,357,045,097,753,600 - Step 5: Solve for x
x = 5,040,357,045,097,753,600/2,544,848,138.40 - Step 6: Final answer
x = 1,980,612,111.60
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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.