Home / 312,023,139.60-468,034,709.40-150,780,003.60

Finding the Fourth Proportional to 312,023,139.60, 468,034,709.40 and 150,780,003.60

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Solution

The fourth proportional to 312,023,139.60, 468,034,709.40 and 150,780,003.60 is: 226,170,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,023,139.60 : 468,034,709.40 = 150,780,003.60 : x
  2. Step 2: Convert to fraction form
    312,023,139.60/468,034,709.40 = 150,780,003.60/x
  3. Step 3: Cross multiply
    312,023,139.60x = 468,034,709.40 × 150,780,003.60
  4. Step 4: Simplify right side
    312,023,139.60x = 70,570,275,168,256,944
  5. Step 5: Solve for x
    x = 70,570,275,168,256,944/312,023,139.60
  6. Step 6: Final answer
    x = 226,170,005.40

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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.