Home / 381,622,237.64-572,524,685.56-122,861,646.44

Finding the Fourth Proportional to 381,622,237.64, 572,524,685.56 and 122,861,646.44

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Solution

The fourth proportional to 381,622,237.64, 572,524,685.56 and 122,861,646.44 is: 184,321,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,622,237.64 : 572,524,685.56 = 122,861,646.44 : x
  2. Step 2: Convert to fraction form
    381,622,237.64/572,524,685.56 = 122,861,646.44/x
  3. Step 3: Cross multiply
    381,622,237.64x = 572,524,685.56 × 122,861,646.44
  4. Step 4: Simplify right side
    381,622,237.64x = 70,341,325,495,444,888
  5. Step 5: Solve for x
    x = 70,341,325,495,444,888/381,622,237.64
  6. Step 6: Final answer
    x = 184,321,872.67

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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.