Home / 1,328,038,442.21-1,992,488,669.06-395,369,357.42

Finding the Fourth Proportional to 1,328,038,442.21, 1,992,488,669.06 and 395,369,357.42

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Solution

The fourth proportional to 1,328,038,442.21, 1,992,488,669.06 and 395,369,357.42 is: 593,182,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,038,442.21 : 1,992,488,669.06 = 395,369,357.42 : x
  2. Step 2: Convert to fraction form
    1,328,038,442.21/1,992,488,669.06 = 395,369,357.42/x
  3. Step 3: Cross multiply
    1,328,038,442.21x = 1,992,488,669.06 × 395,369,357.42
  4. Step 4: Simplify right side
    1,328,038,442.21x = 787,768,964,740,944,000
  5. Step 5: Solve for x
    x = 787,768,964,740,944,000/1,328,038,442.21
  6. Step 6: Final answer
    x = 593,182,350.53

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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.