Finding the Fourth Proportional to 2,539,170,107.70, 3,503,737,445.84 and 1,409,986,346.10
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Solution
The fourth proportional to 2,539,170,107.70, 3,503,737,445.84 and 1,409,986,346.10 is: 1,945,604,961.23
Step by Step Solution
- Step 1: Write the proportion equation
2,539,170,107.70 : 3,503,737,445.84 = 1,409,986,346.10 : x - Step 2: Convert to fraction form
2,539,170,107.70/3,503,737,445.84 = 1,409,986,346.10/x - Step 3: Cross multiply
2,539,170,107.70x = 3,503,737,445.84 × 1,409,986,346.10 - Step 4: Simplify right side
2,539,170,107.70x = 4,940,221,958,953,688,064 - Step 5: Solve for x
x = 4,940,221,958,953,688,064/2,539,170,107.70 - Step 6: Final answer
x = 1,945,604,961.23
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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.