Finding the Fourth Proportional to 996,214,817.80, 1,494,322,226.70 and 939,779,720.20
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Solution
The fourth proportional to 996,214,817.80, 1,494,322,226.70 and 939,779,720.20 is: 1,409,669,580.30
Step by Step Solution
- Step 1: Write the proportion equation
996,214,817.80 : 1,494,322,226.70 = 939,779,720.20 : x - Step 2: Convert to fraction form
996,214,817.80/1,494,322,226.70 = 939,779,720.20/x - Step 3: Cross multiply
996,214,817.80x = 1,494,322,226.70 × 939,779,720.20 - Step 4: Simplify right side
996,214,817.80x = 1,404,333,724,096,766,976 - Step 5: Solve for x
x = 1,404,333,724,096,766,976/996,214,817.80 - Step 6: Final answer
x = 1,409,669,580.30
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1.5x scale
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.