Finding the Fourth Proportional to 930,204,077.10, 1,395,306,115.65 and 800,957,625.90
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Solution
The fourth proportional to 930,204,077.10, 1,395,306,115.65 and 800,957,625.90 is: 1,201,436,438.85
Step by Step Solution
- Step 1: Write the proportion equation
930,204,077.10 : 1,395,306,115.65 = 800,957,625.90 : x - Step 2: Convert to fraction form
930,204,077.10/1,395,306,115.65 = 800,957,625.90/x - Step 3: Cross multiply
930,204,077.10x = 1,395,306,115.65 × 800,957,625.90 - Step 4: Simplify right side
930,204,077.10x = 1,117,581,073,794,774,912 - Step 5: Solve for x
x = 1,117,581,073,794,774,912/930,204,077.10 - Step 6: Final answer
x = 1,201,436,438.85
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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.