Finding the Fourth Proportional to 2,477,108,986.20, 3,715,663,479.30 and 1,375,112,928.60
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Solution
The fourth proportional to 2,477,108,986.20, 3,715,663,479.30 and 1,375,112,928.60 is: 2,062,669,392.90
Step by Step Solution
- Step 1: Write the proportion equation
2,477,108,986.20 : 3,715,663,479.30 = 1,375,112,928.60 : x - Step 2: Convert to fraction form
2,477,108,986.20/3,715,663,479.30 = 1,375,112,928.60/x - Step 3: Cross multiply
2,477,108,986.20x = 3,715,663,479.30 × 1,375,112,928.60 - Step 4: Simplify right side
2,477,108,986.20x = 5,109,456,888,712,288,256 - Step 5: Solve for x
x = 5,109,456,888,712,288,256/2,477,108,986.20 - Step 6: Final answer
x = 2,062,669,392.90
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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.