Home / 45,349,742,414.80-68,024,613,622.20-20,507,214,005.20

Finding the Fourth Proportional to 45,349,742,414.80, 68,024,613,622.20 and 20,507,214,005.20

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Solution

The fourth proportional to 45,349,742,414.80, 68,024,613,622.20 and 20,507,214,005.20 is: 30,760,821,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349,742,414.80 : 68,024,613,622.20 = 20,507,214,005.20 : x
  2. Step 2: Convert to fraction form
    45,349,742,414.80/68,024,613,622.20 = 20,507,214,005.20/x
  3. Step 3: Cross multiply
    45,349,742,414.80x = 68,024,613,622.20 × 20,507,214,005.20
  4. Step 4: Simplify right side
    45,349,742,414.80x = 1,394,995,309,171,498,549,248
  5. Step 5: Solve for x
    x = 1,394,995,309,171,498,549,248/45,349,742,414.80
  6. Step 6: Final answer
    x = 30,760,821,007.80

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Double scale
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Similar ratio
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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.