Home / 1,072,378,353.20-1,479,844,382.60-589,566,788.45

Finding the Fourth Proportional to 1,072,378,353.20, 1,479,844,382.60 and 589,566,788.45

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Solution

The fourth proportional to 1,072,378,353.20, 1,479,844,382.60 and 589,566,788.45 is: 813,581,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,378,353.20 : 1,479,844,382.60 = 589,566,788.45 : x
  2. Step 2: Convert to fraction form
    1,072,378,353.20/1,479,844,382.60 = 589,566,788.45/x
  3. Step 3: Cross multiply
    1,072,378,353.20x = 1,479,844,382.60 × 589,566,788.45
  4. Step 4: Simplify right side
    1,072,378,353.20x = 872,467,100,047,434,112
  5. Step 5: Solve for x
    x = 872,467,100,047,434,112/1,072,378,353.20
  6. Step 6: Final answer
    x = 813,581,416.90

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Double scale
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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.