Finding the Fourth Proportional to 4,279,230,471.36, 6,418,895,126.52 and 1,291,319,447.34
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Solution
The fourth proportional to 4,279,230,471.36, 6,418,895,126.52 and 1,291,319,447.34 is: 1,936,994,084.05
Step by Step Solution
- Step 1: Write the proportion equation
4,279,230,471.36 : 6,418,895,126.52 = 1,291,319,447.34 : x - Step 2: Convert to fraction form
4,279,230,471.36/6,418,895,126.52 = 1,291,319,447.34/x - Step 3: Cross multiply
4,279,230,471.36x = 6,418,895,126.52 × 1,291,319,447.34 - Step 4: Simplify right side
4,279,230,471.36x = 8,288,844,107,311,225,856 - Step 5: Solve for x
x = 8,288,844,107,311,225,856/4,279,230,471.36 - Step 6: Final answer
x = 1,936,994,084.05
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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.