Home / 381,353,619.60-572,206,354.92-174,155,548.32

Finding the Fourth Proportional to 381,353,619.60, 572,206,354.92 and 174,155,548.32

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Solution

The fourth proportional to 381,353,619.60, 572,206,354.92 and 174,155,548.32 is: 261,313,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,353,619.60 : 572,206,354.92 = 174,155,548.32 : x
  2. Step 2: Convert to fraction form
    381,353,619.60/572,206,354.92 = 174,155,548.32/x
  3. Step 3: Cross multiply
    381,353,619.60x = 572,206,354.92 × 174,155,548.32
  4. Step 4: Simplify right side
    381,353,619.60x = 99,652,911,493,281,120
  5. Step 5: Solve for x
    x = 99,652,911,493,281,120/381,353,619.60
  6. Step 6: Final answer
    x = 261,313,663.67

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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.