Finding the Fourth Proportional to 1,879,460,052.80, 2,819,190,079.20 and 1,601,315,643.20
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Solution
The fourth proportional to 1,879,460,052.80, 2,819,190,079.20 and 1,601,315,643.20 is: 2,401,973,464.80
Step by Step Solution
- Step 1: Write the proportion equation
1,879,460,052.80 : 2,819,190,079.20 = 1,601,315,643.20 : x - Step 2: Convert to fraction form
1,879,460,052.80/2,819,190,079.20 = 1,601,315,643.20/x - Step 3: Cross multiply
1,879,460,052.80x = 2,819,190,079.20 × 1,601,315,643.20 - Step 4: Simplify right side
1,879,460,052.80x = 4,514,413,174,977,206,784 - Step 5: Solve for x
x = 4,514,413,174,977,206,784/1,879,460,052.80 - Step 6: Final answer
x = 2,401,973,464.80
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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.