Finding the Fourth Proportional to 2,413,608,986.70, 3,620,413,480.05 and 862,651,572.30
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Solution
The fourth proportional to 2,413,608,986.70, 3,620,413,480.05 and 862,651,572.30 is: 1,293,977,358.45
Step by Step Solution
- Step 1: Write the proportion equation
2,413,608,986.70 : 3,620,413,480.05 = 862,651,572.30 : x - Step 2: Convert to fraction form
2,413,608,986.70/3,620,413,480.05 = 862,651,572.30/x - Step 3: Cross multiply
2,413,608,986.70x = 3,620,413,480.05 × 862,651,572.30 - Step 4: Simplify right side
2,413,608,986.70x = 3,123,155,380,941,246,976 - Step 5: Solve for x
x = 3,123,155,380,941,246,976/2,413,608,986.70 - Step 6: Final answer
x = 1,293,977,358.45
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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.