Finding the Fourth Proportional to 2,852,202,475.20, 4,278,303,712.80 and 1,302,520,519.20
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Solution
The fourth proportional to 2,852,202,475.20, 4,278,303,712.80 and 1,302,520,519.20 is: 1,953,780,778.80
Step by Step Solution
- Step 1: Write the proportion equation
2,852,202,475.20 : 4,278,303,712.80 = 1,302,520,519.20 : x - Step 2: Convert to fraction form
2,852,202,475.20/4,278,303,712.80 = 1,302,520,519.20/x - Step 3: Cross multiply
2,852,202,475.20x = 4,278,303,712.80 × 1,302,520,519.20 - Step 4: Simplify right side
2,852,202,475.20x = 5,572,578,373,291,544,576 - Step 5: Solve for x
x = 5,572,578,373,291,544,576/2,852,202,475.20 - Step 6: Final answer
x = 1,953,780,778.80
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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.