Finding the Fourth Proportional to 409,200,091.99, 564,696,353.49 and 221,028,385.00
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Solution
The fourth proportional to 409,200,091.99, 564,696,353.49 and 221,028,385.00 is: 305,019,293.66
Step by Step Solution
- Step 1: Write the proportion equation
409,200,091.99 : 564,696,353.49 = 221,028,385.00 : x - Step 2: Convert to fraction form
409,200,091.99/564,696,353.49 = 221,028,385.00/x - Step 3: Cross multiply
409,200,091.99x = 564,696,353.49 × 221,028,385.00 - Step 4: Simplify right side
409,200,091.99x = 124,813,923,024,460,336 - Step 5: Solve for x
x = 124,813,923,024,460,336/409,200,091.99 - Step 6: Final answer
x = 305,019,293.66
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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.