Finding the Fourth Proportional to 612,576,458.97, 918,906,558.78 and 175,843,559.58
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Solution
The fourth proportional to 612,576,458.97, 918,906,558.78 and 175,843,559.58 is: 263,777,358.49
Step by Step Solution
- Step 1: Write the proportion equation
612,576,458.97 : 918,906,558.78 = 175,843,559.58 : x - Step 2: Convert to fraction form
612,576,458.97/918,906,558.78 = 175,843,559.58/x - Step 3: Cross multiply
612,576,458.97x = 918,906,558.78 × 175,843,559.58 - Step 4: Simplify right side
612,576,458.97x = 161,583,800,217,283,712 - Step 5: Solve for x
x = 161,583,800,217,283,712/612,576,458.97 - Step 6: Final answer
x = 263,777,358.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.