Home / 472,198,876.80-707,349,723.12-235,134,191.76

Finding the Fourth Proportional to 472,198,876.80, 707,349,723.12 and 235,134,191.76

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Solution

The fourth proportional to 472,198,876.80, 707,349,723.12 and 235,134,191.76 is: 352,228,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,198,876.80 : 707,349,723.12 = 235,134,191.76 : x
  2. Step 2: Convert to fraction form
    472,198,876.80/707,349,723.12 = 235,134,191.76/x
  3. Step 3: Cross multiply
    472,198,876.80x = 707,349,723.12 × 235,134,191.76
  4. Step 4: Simplify right side
    472,198,876.80x = 166,322,105,437,480,992
  5. Step 5: Solve for x
    x = 166,322,105,437,480,992/472,198,876.80
  6. Step 6: Final answer
    x = 352,228,930.67

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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.