Home / 1,072,378,353.76-1,479,844,383.38-589,566,789.01

Finding the Fourth Proportional to 1,072,378,353.76, 1,479,844,383.38 and 589,566,789.01

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Solution

The fourth proportional to 1,072,378,353.76, 1,479,844,383.38 and 589,566,789.01 is: 813,581,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,378,353.76 : 1,479,844,383.38 = 589,566,789.01 : x
  2. Step 2: Convert to fraction form
    1,072,378,353.76/1,479,844,383.38 = 589,566,789.01/x
  3. Step 3: Cross multiply
    1,072,378,353.76x = 1,479,844,383.38 × 589,566,789.01
  4. Step 4: Simplify right side
    1,072,378,353.76x = 872,467,101,337,182,592
  5. Step 5: Solve for x
    x = 872,467,101,337,182,592/1,072,378,353.76
  6. Step 6: Final answer
    x = 813,581,417.68

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Double scale
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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.