Finding the Fourth Proportional to 1,160,673,456.30, 1,738,742,702.85 and 699,240,950.70
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Solution
The fourth proportional to 1,160,673,456.30, 1,738,742,702.85 and 699,240,950.70 is: 1,047,495,394.99
Step by Step Solution
- Step 1: Write the proportion equation
1,160,673,456.30 : 1,738,742,702.85 = 699,240,950.70 : x - Step 2: Convert to fraction form
1,160,673,456.30/1,738,742,702.85 = 699,240,950.70/x - Step 3: Cross multiply
1,160,673,456.30x = 1,738,742,702.85 × 699,240,950.70 - Step 4: Simplify right side
1,160,673,456.30x = 1,215,800,100,563,521,536 - Step 5: Solve for x
x = 1,215,800,100,563,521,536/1,160,673,456.30 - Step 6: Final answer
x = 1,047,495,394.99
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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.