Home / 520,034,856.10-780,052,284.15-174,873,768.10

Finding the Fourth Proportional to 520,034,856.10, 780,052,284.15 and 174,873,768.10

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Solution

The fourth proportional to 520,034,856.10, 780,052,284.15 and 174,873,768.10 is: 262,310,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,034,856.10 : 780,052,284.15 = 174,873,768.10 : x
  2. Step 2: Convert to fraction form
    520,034,856.10/780,052,284.15 = 174,873,768.10/x
  3. Step 3: Cross multiply
    520,034,856.10x = 780,052,284.15 × 174,873,768.10
  4. Step 4: Simplify right side
    520,034,856.10x = 136,410,682,244,322,400
  5. Step 5: Solve for x
    x = 136,410,682,244,322,400/520,034,856.10
  6. Step 6: Final answer
    x = 262,310,652.15

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Double scale
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Similar ratio
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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.