Home / 339,470,935.20-468,508,730.40-188,778,625.92

Finding the Fourth Proportional to 339,470,935.20, 468,508,730.40 and 188,778,625.92

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Solution

The fourth proportional to 339,470,935.20, 468,508,730.40 and 188,778,625.92 is: 260,536,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,470,935.20 : 468,508,730.40 = 188,778,625.92 : x
  2. Step 2: Convert to fraction form
    339,470,935.20/468,508,730.40 = 188,778,625.92/x
  3. Step 3: Cross multiply
    339,470,935.20x = 468,508,730.40 × 188,778,625.92
  4. Step 4: Simplify right side
    339,470,935.20x = 88,444,434,356,435,728
  5. Step 5: Solve for x
    x = 88,444,434,356,435,728/339,470,935.20
  6. Step 6: Final answer
    x = 260,536,102.46

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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.