Home / 1,181,336,890,148.20-1,630,223,657,750.40-667,491,652,208.94

Finding the Fourth Proportional to 1,181,336,890,148.20, 1,630,223,657,750.40 and 667,491,652,208.94

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Solution

The fourth proportional to 1,181,336,890,148.20, 1,630,223,657,750.40 and 667,491,652,208.94 is: 921,126,472,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,336,890,148.20 : 1,630,223,657,750.40 = 667,491,652,208.94 : x
  2. Step 2: Convert to fraction form
    1,181,336,890,148.20/1,630,223,657,750.40 = 667,491,652,208.94/x
  3. Step 3: Cross multiply
    1,181,336,890,148.20x = 1,630,223,657,750.40 × 667,491,652,208.94
  4. Step 4: Simplify right side
    1,181,336,890,148.20x = 1,088,160,682,781,915,853,357,056
  5. Step 5: Solve for x
    x = 1,088,160,682,781,915,853,357,056/1,181,336,890,148.20
  6. Step 6: Final answer
    x = 921,126,472,775.61

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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.