Finding the Fourth Proportional to 558,216,412.81, 770,324,570.16 and 307,318,299.84
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Solution
The fourth proportional to 558,216,412.81, 770,324,570.16 and 307,318,299.84 is: 424,091,502.50
Step by Step Solution
- Step 1: Write the proportion equation
558,216,412.81 : 770,324,570.16 = 307,318,299.84 : x - Step 2: Convert to fraction form
558,216,412.81/770,324,570.16 = 307,318,299.84/x - Step 3: Cross multiply
558,216,412.81x = 770,324,570.16 × 307,318,299.84 - Step 4: Simplify right side
558,216,412.81x = 236,734,837,228,286,272 - Step 5: Solve for x
x = 236,734,837,228,286,272/558,216,412.81 - Step 6: Final answer
x = 424,091,502.50
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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.