Finding the Fourth Proportional to 265,624,530.40, 398,436,795.60 and 192,498,248.80
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Solution
The fourth proportional to 265,624,530.40, 398,436,795.60 and 192,498,248.80 is: 288,747,373.20
Step by Step Solution
- Step 1: Write the proportion equation
265,624,530.40 : 398,436,795.60 = 192,498,248.80 : x - Step 2: Convert to fraction form
265,624,530.40/398,436,795.60 = 192,498,248.80/x - Step 3: Cross multiply
265,624,530.40x = 398,436,795.60 × 192,498,248.80 - Step 4: Simplify right side
265,624,530.40x = 76,698,385,410,483,552 - Step 5: Solve for x
x = 76,698,385,410,483,552/265,624,530.40 - Step 6: Final answer
x = 288,747,373.20
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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.