Finding the Fourth Proportional to 4,021,921,235.99, 5,550,164,335.35 and 2,328,447,288.62
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Solution
The fourth proportional to 4,021,921,235.99, 5,550,164,335.35 and 2,328,447,288.62 is: 3,213,206,907.78
Step by Step Solution
- Step 1: Write the proportion equation
4,021,921,235.99 : 5,550,164,335.35 = 2,328,447,288.62 : x - Step 2: Convert to fraction form
4,021,921,235.99/5,550,164,335.35 = 2,328,447,288.62/x - Step 3: Cross multiply
4,021,921,235.99x = 5,550,164,335.35 × 2,328,447,288.62 - Step 4: Simplify right side
4,021,921,235.99x = 12,923,265,098,055,008,256 - Step 5: Solve for x
x = 12,923,265,098,055,008,256/4,021,921,235.99 - Step 6: Final answer
x = 3,213,206,907.78
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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.