Finding the Fourth Proportional to 260,808,230.70, 391,212,346.05 and 170,108,966.70
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Solution
The fourth proportional to 260,808,230.70, 391,212,346.05 and 170,108,966.70 is: 255,163,450.05
Step by Step Solution
- Step 1: Write the proportion equation
260,808,230.70 : 391,212,346.05 = 170,108,966.70 : x - Step 2: Convert to fraction form
260,808,230.70/391,212,346.05 = 170,108,966.70/x - Step 3: Cross multiply
260,808,230.70x = 391,212,346.05 × 170,108,966.70 - Step 4: Simplify right side
260,808,230.70x = 66,548,727,946,848,320 - Step 5: Solve for x
x = 66,548,727,946,848,320/260,808,230.70 - Step 6: Final answer
x = 255,163,450.05
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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.