Finding the Fourth Proportional to 2,779,650,420.40, 4,170,181,372.44 and 1,286,758,249.84
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Solution
The fourth proportional to 2,779,650,420.40, 4,170,181,372.44 and 1,286,758,249.84 is: 1,930,464,077.40
Step by Step Solution
- Step 1: Write the proportion equation
2,779,650,420.40 : 4,170,181,372.44 = 1,286,758,249.84 : x - Step 2: Convert to fraction form
2,779,650,420.40/4,170,181,372.44 = 1,286,758,249.84/x - Step 3: Cross multiply
2,779,650,420.40x = 4,170,181,372.44 × 1,286,758,249.84 - Step 4: Simplify right side
2,779,650,420.40x = 5,366,015,284,316,263,424 - Step 5: Solve for x
x = 5,366,015,284,316,263,424/2,779,650,420.40 - Step 6: Final answer
x = 1,930,464,077.40
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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.