Finding the Fourth Proportional to 225,708,905.70, 338,563,358.55 and 225,708,905.70
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Solution
The fourth proportional to 225,708,905.70, 338,563,358.55 and 225,708,905.70 is: 338,563,358.55
Step by Step Solution
- Step 1: Write the proportion equation
225,708,905.70 : 338,563,358.55 = 225,708,905.70 : x - Step 2: Convert to fraction form
225,708,905.70/338,563,358.55 = 225,708,905.70/x - Step 3: Cross multiply
225,708,905.70x = 338,563,358.55 × 225,708,905.70 - Step 4: Simplify right side
225,708,905.70x = 76,416,765,168,437,232 - Step 5: Solve for x
x = 76,416,765,168,437,232/225,708,905.70 - Step 6: Final answer
x = 338,563,358.55
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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.