Finding the Fourth Proportional to 1,506,743,537.12, 2,079,351,133.20 and 828,525,257.94
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Solution
The fourth proportional to 1,506,743,537.12, 2,079,351,133.20 and 828,525,257.94 is: 1,143,389,629.05
Step by Step Solution
- Step 1: Write the proportion equation
1,506,743,537.12 : 2,079,351,133.20 = 828,525,257.94 : x - Step 2: Convert to fraction form
1,506,743,537.12/2,079,351,133.20 = 828,525,257.94/x - Step 3: Cross multiply
1,506,743,537.12x = 2,079,351,133.20 × 828,525,257.94 - Step 4: Simplify right side
1,506,743,537.12x = 1,722,794,933,982,361,344 - Step 5: Solve for x
x = 1,722,794,933,982,361,344/1,506,743,537.12 - Step 6: Final answer
x = 1,143,389,629.05
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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.