Home / 1,120,214,067.30-1,680,321,100.95-603,653,415.30

Finding the Fourth Proportional to 1,120,214,067.30, 1,680,321,100.95 and 603,653,415.30

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Solution

The fourth proportional to 1,120,214,067.30, 1,680,321,100.95 and 603,653,415.30 is: 905,480,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,214,067.30 : 1,680,321,100.95 = 603,653,415.30 : x
  2. Step 2: Convert to fraction form
    1,120,214,067.30/1,680,321,100.95 = 603,653,415.30/x
  3. Step 3: Cross multiply
    1,120,214,067.30x = 1,680,321,100.95 × 603,653,415.30
  4. Step 4: Simplify right side
    1,120,214,067.30x = 1,014,331,571,389,123,584
  5. Step 5: Solve for x
    x = 1,014,331,571,389,123,584/1,120,214,067.30
  6. Step 6: Final answer
    x = 905,480,122.95

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Double scale
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Similar ratio
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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.