Home / 1,082,716,819.80-1,624,075,229.70-392,646,586.20

Finding the Fourth Proportional to 1,082,716,819.80, 1,624,075,229.70 and 392,646,586.20

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Solution

The fourth proportional to 1,082,716,819.80, 1,624,075,229.70 and 392,646,586.20 is: 588,969,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,716,819.80 : 1,624,075,229.70 = 392,646,586.20 : x
  2. Step 2: Convert to fraction form
    1,082,716,819.80/1,624,075,229.70 = 392,646,586.20/x
  3. Step 3: Cross multiply
    1,082,716,819.80x = 1,624,075,229.70 × 392,646,586.20
  4. Step 4: Simplify right side
    1,082,716,819.80x = 637,687,594,673,685,888
  5. Step 5: Solve for x
    x = 637,687,594,673,685,888/1,082,716,819.80
  6. Step 6: Final answer
    x = 588,969,879.30

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Double scale
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Similar ratio
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1.5x scale

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.