Finding the Fourth Proportional to 1,724,332,292.10, 2,586,498,438.15 and 998,738,180.10
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Solution
The fourth proportional to 1,724,332,292.10, 2,586,498,438.15 and 998,738,180.10 is: 1,498,107,270.15
Step by Step Solution
- Step 1: Write the proportion equation
1,724,332,292.10 : 2,586,498,438.15 = 998,738,180.10 : x - Step 2: Convert to fraction form
1,724,332,292.10/2,586,498,438.15 = 998,738,180.10/x - Step 3: Cross multiply
1,724,332,292.10x = 2,586,498,438.15 × 998,738,180.10 - Step 4: Simplify right side
1,724,332,292.10x = 2,583,234,742,949,423,616 - Step 5: Solve for x
x = 2,583,234,742,949,423,616/1,724,332,292.10 - Step 6: Final answer
x = 1,498,107,270.15
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Double scale
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Similar ratio
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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.