Home / 319,396,520.62-479,133,027.92-98,038,865.77

Finding the Fourth Proportional to 319,396,520.62, 479,133,027.92 and 98,038,865.77

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Solution

The fourth proportional to 319,396,520.62, 479,133,027.92 and 98,038,865.77 is: 147,070,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,396,520.62 : 479,133,027.92 = 98,038,865.77 : x
  2. Step 2: Convert to fraction form
    319,396,520.62/479,133,027.92 = 98,038,865.77/x
  3. Step 3: Cross multiply
    319,396,520.62x = 479,133,027.92 × 98,038,865.77
  4. Step 4: Simplify right side
    319,396,520.62x = 46,973,658,610,222,544
  5. Step 5: Solve for x
    x = 46,973,658,610,222,544/319,396,520.62
  6. Step 6: Final answer
    x = 147,070,038.58

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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.