Finding the Fourth Proportional to 2,248,985,702,877.40, 3,372,415,120,385.70 and 871,235,014,067.46
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Solution
The fourth proportional to 2,248,985,702,877.40, 3,372,415,120,385.70 and 871,235,014,067.46 is: 1,306,440,557,221.59
Step by Step Solution
- Step 1: Write the proportion equation
2,248,985,702,877.40 : 3,372,415,120,385.70 = 871,235,014,067.46 : x - Step 2: Convert to fraction form
2,248,985,702,877.40/3,372,415,120,385.70 = 871,235,014,067.46/x - Step 3: Cross multiply
2,248,985,702,877.40x = 3,372,415,120,385.70 × 871,235,014,067.46 - Step 4: Simplify right side
2,248,985,702,877.40x = 2,938,166,134,850,550,040,100,864 - Step 5: Solve for x
x = 2,938,166,134,850,550,040,100,864/2,248,985,702,877.40 - Step 6: Final answer
x = 1,306,440,557,221.59
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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.