Finding the Fourth Proportional to 1,760,474,281.20, 2,640,711,421.80 and 1,243,913,629.20
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Solution
The fourth proportional to 1,760,474,281.20, 2,640,711,421.80 and 1,243,913,629.20 is: 1,865,870,443.80
Step by Step Solution
- Step 1: Write the proportion equation
1,760,474,281.20 : 2,640,711,421.80 = 1,243,913,629.20 : x - Step 2: Convert to fraction form
1,760,474,281.20/2,640,711,421.80 = 1,243,913,629.20/x - Step 3: Cross multiply
1,760,474,281.20x = 2,640,711,421.80 × 1,243,913,629.20 - Step 4: Simplify right side
1,760,474,281.20x = 3,284,816,928,361,130,496 - Step 5: Solve for x
x = 3,284,816,928,361,130,496/1,760,474,281.20 - Step 6: Final answer
x = 1,865,870,443.80
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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.