Home / 342,102,756,861.75-472,102,271,975.55-185,672,951,215.32

Finding the Fourth Proportional to 342,102,756,861.75, 472,102,271,975.55 and 185,672,951,215.32

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Solution

The fourth proportional to 342,102,756,861.75, 472,102,271,975.55 and 185,672,951,215.32 is: 256,228,926,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,102,756,861.75 : 472,102,271,975.55 = 185,672,951,215.32 : x
  2. Step 2: Convert to fraction form
    342,102,756,861.75/472,102,271,975.55 = 185,672,951,215.32/x
  3. Step 3: Cross multiply
    342,102,756,861.75x = 472,102,271,975.55 × 185,672,951,215.32
  4. Step 4: Simplify right side
    342,102,756,861.75x = 87,656,622,113,158,028,328,960
  5. Step 5: Solve for x
    x = 87,656,622,113,158,028,328,960/342,102,756,861.75
  6. Step 6: Final answer
    x = 256,228,926,411.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.