Finding the Fourth Proportional to 494,991,631.80, 742,487,447.70 and 265,409,119.80
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Solution
The fourth proportional to 494,991,631.80, 742,487,447.70 and 265,409,119.80 is: 398,113,679.70
Step by Step Solution
- Step 1: Write the proportion equation
494,991,631.80 : 742,487,447.70 = 265,409,119.80 : x - Step 2: Convert to fraction form
494,991,631.80/742,487,447.70 = 265,409,119.80/x - Step 3: Cross multiply
494,991,631.80x = 742,487,447.70 × 265,409,119.80 - Step 4: Simplify right side
494,991,631.80x = 197,062,939,956,605,568 - Step 5: Solve for x
x = 197,062,939,956,605,568/494,991,631.80 - Step 6: Final answer
x = 398,113,679.70
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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.