Finding the Fourth Proportional to 221,617,201.15, 332,425,801.73 and 221,617,201.15
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Solution
The fourth proportional to 221,617,201.15, 332,425,801.73 and 221,617,201.15 is: 332,425,801.73
Step by Step Solution
- Step 1: Write the proportion equation
221,617,201.15 : 332,425,801.73 = 221,617,201.15 : x - Step 2: Convert to fraction form
221,617,201.15/332,425,801.73 = 221,617,201.15/x - Step 3: Cross multiply
221,617,201.15x = 332,425,801.73 × 221,617,201.15 - Step 4: Simplify right side
221,617,201.15x = 73,671,275,769,447,440 - Step 5: Solve for x
x = 73,671,275,769,447,440/221,617,201.15 - Step 6: Final answer
x = 332,425,801.73
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1.5x scale
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.