Home / 480,740,880.80-721,867,148.40-276,667,536.80

Finding the Fourth Proportional to 480,740,880.80, 721,867,148.40 and 276,667,536.80

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Solution

The fourth proportional to 480,740,880.80, 721,867,148.40 and 276,667,536.80 is: 415,436,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,740,880.80 : 721,867,148.40 = 276,667,536.80 : x
  2. Step 2: Convert to fraction form
    480,740,880.80/721,867,148.40 = 276,667,536.80/x
  3. Step 3: Cross multiply
    480,740,880.80x = 721,867,148.40 × 276,667,536.80
  4. Step 4: Simplify right side
    480,740,880.80x = 199,717,205,844,668,064
  5. Step 5: Solve for x
    x = 199,717,205,844,668,064/480,740,880.80
  6. Step 6: Final answer
    x = 415,436,285.58

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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.