Home / 468,359,149.36-646,334,992.20-259,528,815.76

Finding the Fourth Proportional to 468,359,149.36, 646,334,992.20 and 259,528,815.76

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Solution

The fourth proportional to 468,359,149.36, 646,334,992.20 and 259,528,815.76 is: 358,149,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,359,149.36 : 646,334,992.20 = 259,528,815.76 : x
  2. Step 2: Convert to fraction form
    468,359,149.36/646,334,992.20 = 259,528,815.76/x
  3. Step 3: Cross multiply
    468,359,149.36x = 646,334,992.20 × 259,528,815.76
  4. Step 4: Simplify right side
    468,359,149.36x = 167,742,555,109,914,848
  5. Step 5: Solve for x
    x = 167,742,555,109,914,848/468,359,149.36
  6. Step 6: Final answer
    x = 358,149,414.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.