Finding the Fourth Proportional to 4,021,921,236.99, 5,550,164,336.73 and 2,328,447,289.62
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Solution
The fourth proportional to 4,021,921,236.99, 5,550,164,336.73 and 2,328,447,289.62 is: 3,213,206,909.16
Step by Step Solution
- Step 1: Write the proportion equation
4,021,921,236.99 : 5,550,164,336.73 = 2,328,447,289.62 : x - Step 2: Convert to fraction form
4,021,921,236.99/5,550,164,336.73 = 2,328,447,289.62/x - Step 3: Cross multiply
4,021,921,236.99x = 5,550,164,336.73 × 2,328,447,289.62 - Step 4: Simplify right side
4,021,921,236.99x = 12,923,265,106,804,551,680 - Step 5: Solve for x
x = 12,923,265,106,804,551,680/4,021,921,236.99 - Step 6: Final answer
x = 3,213,206,909.16
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1.5x scale
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.