Finding the Fourth Proportional to 1,724,332,590.60, 2,586,498,885.90 and 998,738,478.60
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Solution
The fourth proportional to 1,724,332,590.60, 2,586,498,885.90 and 998,738,478.60 is: 1,498,107,717.90
Step by Step Solution
- Step 1: Write the proportion equation
1,724,332,590.60 : 2,586,498,885.90 = 998,738,478.60 : x - Step 2: Convert to fraction form
1,724,332,590.60/2,586,498,885.90 = 998,738,478.60/x - Step 3: Cross multiply
1,724,332,590.60x = 2,586,498,885.90 × 998,738,478.60 - Step 4: Simplify right side
1,724,332,590.60x = 2,583,235,962,204,361,216 - Step 5: Solve for x
x = 2,583,235,962,204,361,216/1,724,332,590.60 - Step 6: Final answer
x = 1,498,107,717.90
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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.