Finding the Fourth Proportional to 486,297,935.70, 729,446,903.55 and 122,792,291.70
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Solution
The fourth proportional to 486,297,935.70, 729,446,903.55 and 122,792,291.70 is: 184,188,437.55
Step by Step Solution
- Step 1: Write the proportion equation
486,297,935.70 : 729,446,903.55 = 122,792,291.70 : x - Step 2: Convert to fraction form
486,297,935.70/729,446,903.55 = 122,792,291.70/x - Step 3: Cross multiply
486,297,935.70x = 729,446,903.55 × 122,792,291.70 - Step 4: Simplify right side
486,297,935.70x = 89,570,456,960,373,360 - Step 5: Solve for x
x = 89,570,456,960,373,360/486,297,935.70 - Step 6: Final answer
x = 184,188,437.55
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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.