Finding the Fourth Proportional to 1,722,107,178.74, 2,583,571,322.19 and 557,576,020.46
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Solution
The fourth proportional to 1,722,107,178.74, 2,583,571,322.19 and 557,576,020.46 is: 836,496,958.02
Step by Step Solution
- Step 1: Write the proportion equation
1,722,107,178.74 : 2,583,571,322.19 = 557,576,020.46 : x - Step 2: Convert to fraction form
1,722,107,178.74/2,583,571,322.19 = 557,576,020.46/x - Step 3: Cross multiply
1,722,107,178.74x = 2,583,571,322.19 × 557,576,020.46 - Step 4: Simplify right side
1,722,107,178.74x = 1,440,537,416,401,280,768 - Step 5: Solve for x
x = 1,440,537,416,401,280,768/1,722,107,178.74 - Step 6: Final answer
x = 836,496,958.02
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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.