Finding the Fourth Proportional to 1,089,162,747.54, 1,630,362,337.92 and 589,933,382.99
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Solution
The fourth proportional to 1,089,162,747.54, 1,630,362,337.92 and 589,933,382.99 is: 883,068,367.58
Step by Step Solution
- Step 1: Write the proportion equation
1,089,162,747.54 : 1,630,362,337.92 = 589,933,382.99 : x - Step 2: Convert to fraction form
1,089,162,747.54/1,630,362,337.92 = 589,933,382.99/x - Step 3: Cross multiply
1,089,162,747.54x = 1,630,362,337.92 × 589,933,382.99 - Step 4: Simplify right side
1,089,162,747.54x = 961,805,169,500,479,360 - Step 5: Solve for x
x = 961,805,169,500,479,360/1,089,162,747.54 - Step 6: Final answer
x = 883,068,367.58
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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.