Finding the Fourth Proportional to 1,289,867,372.26, 1,934,781,615.26 and 580,314,846.84
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Solution
The fourth proportional to 1,289,867,372.26, 1,934,781,615.26 and 580,314,846.84 is: 870,463,522.74
Step by Step Solution
- Step 1: Write the proportion equation
1,289,867,372.26 : 1,934,781,615.26 = 580,314,846.84 : x - Step 2: Convert to fraction form
1,289,867,372.26/1,934,781,615.26 = 580,314,846.84/x - Step 3: Cross multiply
1,289,867,372.26x = 1,934,781,615.26 × 580,314,846.84 - Step 4: Simplify right side
1,289,867,372.26x = 1,122,782,496,728,454,784 - Step 5: Solve for x
x = 1,122,782,496,728,454,784/1,289,867,372.26 - Step 6: Final answer
x = 870,463,522.74
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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.