Home / 319,788,525.60-479,682,788.40-319,788,525.60

Finding the Fourth Proportional to 319,788,525.60, 479,682,788.40 and 319,788,525.60

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Solution

The fourth proportional to 319,788,525.60, 479,682,788.40 and 319,788,525.60 is: 479,682,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788,525.60 : 479,682,788.40 = 319,788,525.60 : x
  2. Step 2: Convert to fraction form
    319,788,525.60/479,682,788.40 = 319,788,525.60/x
  3. Step 3: Cross multiply
    319,788,525.60x = 479,682,788.40 × 319,788,525.60
  4. Step 4: Simplify right side
    319,788,525.60x = 153,397,051,658,132,800
  5. Step 5: Solve for x
    x = 153,397,051,658,132,800/319,788,525.60
  6. Step 6: Final answer
    x = 479,682,788.40

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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.