Finding the Fourth Proportional to 3,769,652,834.28, 5,201,953,066.80 and 2,160,954,521.28
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Solution
The fourth proportional to 3,769,652,834.28, 5,201,953,066.80 and 2,160,954,521.28 is: 2,982,021,022.46
Step by Step Solution
- Step 1: Write the proportion equation
3,769,652,834.28 : 5,201,953,066.80 = 2,160,954,521.28 : x - Step 2: Convert to fraction form
3,769,652,834.28/5,201,953,066.80 = 2,160,954,521.28/x - Step 3: Cross multiply
3,769,652,834.28x = 5,201,953,066.80 × 2,160,954,521.28 - Step 4: Simplify right side
3,769,652,834.28x = 11,241,183,999,187,822,592 - Step 5: Solve for x
x = 11,241,183,999,187,822,592/3,769,652,834.28 - Step 6: Final answer
x = 2,982,021,022.46
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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.