Finding the Fourth Proportional to 3,726,754,858.20, 5,585,384,747.70 and 1,980,794,026.20
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Solution
The fourth proportional to 3,726,754,858.20, 5,585,384,747.70 and 1,980,794,026.20 is: 2,968,667,691.66
Step by Step Solution
- Step 1: Write the proportion equation
3,726,754,858.20 : 5,585,384,747.70 = 1,980,794,026.20 : x - Step 2: Convert to fraction form
3,726,754,858.20/5,585,384,747.70 = 1,980,794,026.20/x - Step 3: Cross multiply
3,726,754,858.20x = 5,585,384,747.70 × 1,980,794,026.20 - Step 4: Simplify right side
3,726,754,858.20x = 11,063,496,742,272,753,664 - Step 5: Solve for x
x = 11,063,496,742,272,753,664/3,726,754,858.20 - Step 6: Final answer
x = 2,968,667,691.66
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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.