Finding the Fourth Proportional to 415,743,085.99, 573,725,638.27 and 227,572,453.16
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Solution
The fourth proportional to 415,743,085.99, 573,725,638.27 and 227,572,453.16 is: 314,050,083.67
Step by Step Solution
- Step 1: Write the proportion equation
415,743,085.99 : 573,725,638.27 = 227,572,453.16 : x - Step 2: Convert to fraction form
415,743,085.99/573,725,638.27 = 227,572,453.16/x - Step 3: Cross multiply
415,743,085.99x = 573,725,638.27 × 227,572,453.16 - Step 4: Simplify right side
415,743,085.99x = 130,564,150,941,457,984 - Step 5: Solve for x
x = 130,564,150,941,457,984/415,743,085.99 - Step 6: Final answer
x = 314,050,083.67
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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.