Finding the Fourth Proportional to 966,687,082.80, 1,450,030,624.20 and 869,941,201.20
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Solution
The fourth proportional to 966,687,082.80, 1,450,030,624.20 and 869,941,201.20 is: 1,304,911,801.80
Step by Step Solution
- Step 1: Write the proportion equation
966,687,082.80 : 1,450,030,624.20 = 869,941,201.20 : x - Step 2: Convert to fraction form
966,687,082.80/1,450,030,624.20 = 869,941,201.20/x - Step 3: Cross multiply
966,687,082.80x = 1,450,030,624.20 × 869,941,201.20 - Step 4: Simplify right side
966,687,082.80x = 1,261,441,382,993,334,016 - Step 5: Solve for x
x = 1,261,441,382,993,334,016/966,687,082.80 - Step 6: Final answer
x = 1,304,911,801.80
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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.