Finding the Fourth Proportional to 964,875,535.74, 1,447,321,954.41 and 274,782,440.70
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Solution
The fourth proportional to 964,875,535.74, 1,447,321,954.41 and 274,782,440.70 is: 412,176,124.67
Step by Step Solution
- Step 1: Write the proportion equation
964,875,535.74 : 1,447,321,954.41 = 274,782,440.70 : x - Step 2: Convert to fraction form
964,875,535.74/1,447,321,954.41 = 274,782,440.70/x - Step 3: Cross multiply
964,875,535.74x = 1,447,321,954.41 × 274,782,440.70 - Step 4: Simplify right side
964,875,535.74x = 397,698,659,111,473,920 - Step 5: Solve for x
x = 397,698,659,111,473,920/964,875,535.74 - Step 6: Final answer
x = 412,176,124.67
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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.