Home / 1,109,801,027.34-1,664,500,382.25-445,788,291.66

Finding the Fourth Proportional to 1,109,801,027.34, 1,664,500,382.25 and 445,788,291.66

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Solution

The fourth proportional to 1,109,801,027.34, 1,664,500,382.25 and 445,788,291.66 is: 668,601,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,801,027.34 : 1,664,500,382.25 = 445,788,291.66 : x
  2. Step 2: Convert to fraction form
    1,109,801,027.34/1,664,500,382.25 = 445,788,291.66/x
  3. Step 3: Cross multiply
    1,109,801,027.34x = 1,664,500,382.25 × 445,788,291.66
  4. Step 4: Simplify right side
    1,109,801,027.34x = 742,014,781,870,644,480
  5. Step 5: Solve for x
    x = 742,014,781,870,644,480/1,109,801,027.34
  6. Step 6: Final answer
    x = 668,601,635.42

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Double scale
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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.