Finding the Fourth Proportional to 457,564,057.99, 631,438,806.91 and 248,720,200.64
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Solution
The fourth proportional to 457,564,057.99, 631,438,806.91 and 248,720,200.64 is: 343,234,098.05
Step by Step Solution
- Step 1: Write the proportion equation
457,564,057.99 : 631,438,806.91 = 248,720,200.64 : x - Step 2: Convert to fraction form
457,564,057.99/631,438,806.91 = 248,720,200.64/x - Step 3: Cross multiply
457,564,057.99x = 631,438,806.91 × 248,720,200.64 - Step 4: Simplify right side
457,564,057.99x = 157,051,586,743,292,256 - Step 5: Solve for x
x = 157,051,586,743,292,256/457,564,057.99 - Step 6: Final answer
x = 343,234,098.05
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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.