Home / 1,181,336,890,145.70-1,630,223,657,747-667,491,652,206.44

Finding the Fourth Proportional to 1,181,336,890,145.70, 1,630,223,657,747 and 667,491,652,206.44

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Solution

The fourth proportional to 1,181,336,890,145.70, 1,630,223,657,747 and 667,491,652,206.44 is: 921,126,472,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,336,890,145.70 : 1,630,223,657,747 = 667,491,652,206.44 : x
  2. Step 2: Convert to fraction form
    1,181,336,890,145.70/1,630,223,657,747 = 667,491,652,206.44/x
  3. Step 3: Cross multiply
    1,181,336,890,145.70x = 1,630,223,657,747 × 667,491,652,206.44
  4. Step 4: Simplify right side
    1,181,336,890,145.70x = 1,088,160,682,775,570,844,483,584
  5. Step 5: Solve for x
    x = 1,088,160,682,775,570,844,483,584/1,181,336,890,145.70
  6. Step 6: Final answer
    x = 921,126,472,772.19

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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.