Finding the Fourth Proportional to 1,160,673,480.80, 1,738,742,739.60 and 699,240,975.20
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Solution
The fourth proportional to 1,160,673,480.80, 1,738,742,739.60 and 699,240,975.20 is: 1,047,495,431.72
Step by Step Solution
- Step 1: Write the proportion equation
1,160,673,480.80 : 1,738,742,739.60 = 699,240,975.20 : x - Step 2: Convert to fraction form
1,160,673,480.80/1,738,742,739.60 = 699,240,975.20/x - Step 3: Cross multiply
1,160,673,480.80x = 1,738,742,739.60 × 699,240,975.20 - Step 4: Simplify right side
1,160,673,480.80x = 1,215,800,168,859,823,616 - Step 5: Solve for x
x = 1,215,800,168,859,823,616/1,160,673,480.80 - Step 6: Final answer
x = 1,047,495,431.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.