Home / 1,181,336,890,148.40-1,630,223,657,750.80-667,491,652,209.20

Finding the Fourth Proportional to 1,181,336,890,148.40, 1,630,223,657,750.80 and 667,491,652,209.20

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Solution

The fourth proportional to 1,181,336,890,148.40, 1,630,223,657,750.80 and 667,491,652,209.20 is: 921,126,472,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,336,890,148.40 : 1,630,223,657,750.80 = 667,491,652,209.20 : x
  2. Step 2: Convert to fraction form
    1,181,336,890,148.40/1,630,223,657,750.80 = 667,491,652,209.20/x
  3. Step 3: Cross multiply
    1,181,336,890,148.40x = 1,630,223,657,750.80 × 667,491,652,209.20
  4. Step 4: Simplify right side
    1,181,336,890,148.40x = 1,088,160,682,782,606,806,220,800
  5. Step 5: Solve for x
    x = 1,088,160,682,782,606,806,220,800/1,181,336,890,148.40
  6. Step 6: Final answer
    x = 921,126,472,776.04

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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.