Home / 1,072,378,353.53-1,479,844,383.05-589,566,788.78

Finding the Fourth Proportional to 1,072,378,353.53, 1,479,844,383.05 and 589,566,788.78

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Solution

The fourth proportional to 1,072,378,353.53, 1,479,844,383.05 and 589,566,788.78 is: 813,581,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,378,353.53 : 1,479,844,383.05 = 589,566,788.78 : x
  2. Step 2: Convert to fraction form
    1,072,378,353.53/1,479,844,383.05 = 589,566,788.78/x
  3. Step 3: Cross multiply
    1,072,378,353.53x = 1,479,844,383.05 × 589,566,788.78
  4. Step 4: Simplify right side
    1,072,378,353.53x = 872,467,100,801,863,296
  5. Step 5: Solve for x
    x = 872,467,100,801,863,296/1,072,378,353.53
  6. Step 6: Final answer
    x = 813,581,417.35

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Double scale
Find fourth proportional to 1,072,378,354.53, 1,479,844,384.43 and 589,566,789.78
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1.5x scale

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.