Finding the Fourth Proportional to 780,024,978,074.70, 1,170,037,467,112 and 780,024,978,074.70
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Solution
The fourth proportional to 780,024,978,074.70, 1,170,037,467,112 and 780,024,978,074.70 is: 1,170,037,467,112
Step by Step Solution
- Step 1: Write the proportion equation
780,024,978,074.70 : 1,170,037,467,112 = 780,024,978,074.70 : x - Step 2: Convert to fraction form
780,024,978,074.70/1,170,037,467,112 = 780,024,978,074.70/x - Step 3: Cross multiply
780,024,978,074.70x = 1,170,037,467,112 × 780,024,978,074.70 - Step 4: Simplify right side
780,024,978,074.70x = 912,658,449,630,615,264,296,960 - Step 5: Solve for x
x = 912,658,449,630,615,264,296,960/780,024,978,074.70 - Step 6: Final answer
x = 1,170,037,467,112
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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.