Finding the Fourth Proportional to 324,610,462.76, 447,701,237.22 and 285,368,334.44
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Solution
The fourth proportional to 324,610,462.76, 447,701,237.22 and 285,368,334.44 is: 393,578,676.75
Step by Step Solution
- Step 1: Write the proportion equation
324,610,462.76 : 447,701,237.22 = 285,368,334.44 : x - Step 2: Convert to fraction form
324,610,462.76/447,701,237.22 = 285,368,334.44/x - Step 3: Cross multiply
324,610,462.76x = 447,701,237.22 × 285,368,334.44 - Step 4: Simplify right side
324,610,462.76x = 127,759,756,392,198,736 - Step 5: Solve for x
x = 127,759,756,392,198,736/324,610,462.76 - Step 6: Final answer
x = 393,578,676.75
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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.