Finding the Fourth Proportional to 3,765,698,198.24, 5,196,710,528.16 and 2,072,347,664
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Solution
The fourth proportional to 3,765,698,198.24, 5,196,710,528.16 and 2,072,347,664 is: 2,859,865,649.50
Step by Step Solution
- Step 1: Write the proportion equation
3,765,698,198.24 : 5,196,710,528.16 = 2,072,347,664 : x - Step 2: Convert to fraction form
3,765,698,198.24/5,196,710,528.16 = 2,072,347,664/x - Step 3: Cross multiply
3,765,698,198.24x = 5,196,710,528.16 × 2,072,347,664 - Step 4: Simplify right side
3,765,698,198.24x = 10,769,390,923,516,581,888 - Step 5: Solve for x
x = 10,769,390,923,516,581,888/3,765,698,198.24 - Step 6: Final answer
x = 2,859,865,649.50
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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.