Finding the Fourth Proportional to 612,584,212.58, 845,437,682.66 and 348,305,803.97
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Solution
The fourth proportional to 612,584,212.58, 845,437,682.66 and 348,305,803.97 is: 480,702,645.80
Step by Step Solution
- Step 1: Write the proportion equation
612,584,212.58 : 845,437,682.66 = 348,305,803.97 : x - Step 2: Convert to fraction form
612,584,212.58/845,437,682.66 = 348,305,803.97/x - Step 3: Cross multiply
612,584,212.58x = 845,437,682.66 × 348,305,803.97 - Step 4: Simplify right side
612,584,212.58x = 294,470,851,765,425,024 - Step 5: Solve for x
x = 294,470,851,765,425,024/612,584,212.58 - Step 6: Final answer
x = 480,702,645.80
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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.