Finding the Fourth Proportional to 4,288,464,000.40, 6,432,696,000.60 and 2,819,135,923.60
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Solution
The fourth proportional to 4,288,464,000.40, 6,432,696,000.60 and 2,819,135,923.60 is: 4,228,703,885.40
Step by Step Solution
- Step 1: Write the proportion equation
4,288,464,000.40 : 6,432,696,000.60 = 2,819,135,923.60 : x - Step 2: Convert to fraction form
4,288,464,000.40/6,432,696,000.60 = 2,819,135,923.60/x - Step 3: Cross multiply
4,288,464,000.40x = 6,432,696,000.60 × 2,819,135,923.60 - Step 4: Simplify right side
4,288,464,000.40x = 18,134,644,380,889,507,840 - Step 5: Solve for x
x = 18,134,644,380,889,507,840/4,288,464,000.40 - Step 6: Final answer
x = 4,228,703,885.40
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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.