Finding the Fourth Proportional to 20,351,603,142.64, 30,527,415,363.84 and 6,378,313,327.84
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Solution
The fourth proportional to 20,351,603,142.64, 30,527,415,363.84 and 6,378,313,327.84 is: 9,567,473,329.50
Step by Step Solution
- Step 1: Write the proportion equation
20,351,603,142.64 : 30,527,415,363.84 = 6,378,313,327.84 : x - Step 2: Convert to fraction form
20,351,603,142.64/30,527,415,363.84 = 6,378,313,327.84/x - Step 3: Cross multiply
20,351,603,142.64x = 30,527,415,363.84 × 6,378,313,327.84 - Step 4: Simplify right side
20,351,603,142.64x = 194,713,420,279,688,265,728 - Step 5: Solve for x
x = 194,713,420,279,688,265,728/20,351,603,142.64 - Step 6: Final answer
x = 9,567,473,329.50
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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.