Home / 342,102,756,861.76-472,102,271,975.56-185,672,951,215.32

Finding the Fourth Proportional to 342,102,756,861.76, 472,102,271,975.56 and 185,672,951,215.32

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Solution

The fourth proportional to 342,102,756,861.76, 472,102,271,975.56 and 185,672,951,215.32 is: 256,228,926,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,102,756,861.76 : 472,102,271,975.56 = 185,672,951,215.32 : x
  2. Step 2: Convert to fraction form
    342,102,756,861.76/472,102,271,975.56 = 185,672,951,215.32/x
  3. Step 3: Cross multiply
    342,102,756,861.76x = 472,102,271,975.56 × 185,672,951,215.32
  4. Step 4: Simplify right side
    342,102,756,861.76x = 87,656,622,113,159,890,599,936
  5. Step 5: Solve for x
    x = 87,656,622,113,159,890,599,936/342,102,756,861.76
  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.