Finding the Fourth Proportional to 558,216,408.50, 770,324,564.21 and 307,318,295.53
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Solution
The fourth proportional to 558,216,408.50, 770,324,564.21 and 307,318,295.53 is: 424,091,496.55
Step by Step Solution
- Step 1: Write the proportion equation
558,216,408.50 : 770,324,564.21 = 307,318,295.53 : x - Step 2: Convert to fraction form
558,216,408.50/770,324,564.21 = 307,318,295.53/x - Step 3: Cross multiply
558,216,408.50x = 770,324,564.21 × 307,318,295.53 - Step 4: Simplify right side
558,216,408.50x = 236,734,832,077,333,568 - Step 5: Solve for x
x = 236,734,832,077,333,568/558,216,408.50 - Step 6: Final answer
x = 424,091,496.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.