Home / 493,145,345.32-739,824,028.86-143,397,491.56

Finding the Fourth Proportional to 493,145,345.32, 739,824,028.86 and 143,397,491.56

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Solution

The fourth proportional to 493,145,345.32, 739,824,028.86 and 143,397,491.56 is: 215,127,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,145,345.32 : 739,824,028.86 = 143,397,491.56 : x
  2. Step 2: Convert to fraction form
    493,145,345.32/739,824,028.86 = 143,397,491.56/x
  3. Step 3: Cross multiply
    493,145,345.32x = 739,824,028.86 × 143,397,491.56
  4. Step 4: Simplify right side
    493,145,345.32x = 106,088,909,934,337,056
  5. Step 5: Solve for x
    x = 106,088,909,934,337,056/493,145,345.32
  6. Step 6: Final answer
    x = 215,127,063.33

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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.