Home / 340,992,015.60-511,488,023.40-204,831,145.20

Finding the Fourth Proportional to 340,992,015.60, 511,488,023.40 and 204,831,145.20

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Solution

The fourth proportional to 340,992,015.60, 511,488,023.40 and 204,831,145.20 is: 307,246,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,992,015.60 : 511,488,023.40 = 204,831,145.20 : x
  2. Step 2: Convert to fraction form
    340,992,015.60/511,488,023.40 = 204,831,145.20/x
  3. Step 3: Cross multiply
    340,992,015.60x = 511,488,023.40 × 204,831,145.20
  4. Step 4: Simplify right side
    340,992,015.60x = 104,768,677,589,106,384
  5. Step 5: Solve for x
    x = 104,768,677,589,106,384/340,992,015.60
  6. Step 6: Final answer
    x = 307,246,717.80

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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.