Home / 1,086,427,266.60-1,630,066,052.70-396,404,272.20

Finding the Fourth Proportional to 1,086,427,266.60, 1,630,066,052.70 and 396,404,272.20

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Solution

The fourth proportional to 1,086,427,266.60, 1,630,066,052.70 and 396,404,272.20 is: 594,761,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,427,266.60 : 1,630,066,052.70 = 396,404,272.20 : x
  2. Step 2: Convert to fraction form
    1,086,427,266.60/1,630,066,052.70 = 396,404,272.20/x
  3. Step 3: Cross multiply
    1,086,427,266.60x = 1,630,066,052.70 × 396,404,272.20
  4. Step 4: Simplify right side
    1,086,427,266.60x = 646,165,147,258,470,400
  5. Step 5: Solve for x
    x = 646,165,147,258,470,400/1,086,427,266.60
  6. Step 6: Final answer
    x = 594,761,533.63

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1.5x scale

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.