Home / 384,201,950.36-530,198,868.87-207,989,945.71

Finding the Fourth Proportional to 384,201,950.36, 530,198,868.87 and 207,989,945.71

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Solution

The fourth proportional to 384,201,950.36, 530,198,868.87 and 207,989,945.71 is: 287,026,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,201,950.36 : 530,198,868.87 = 207,989,945.71 : x
  2. Step 2: Convert to fraction form
    384,201,950.36/530,198,868.87 = 207,989,945.71/x
  3. Step 3: Cross multiply
    384,201,950.36x = 530,198,868.87 × 207,989,945.71
  4. Step 4: Simplify right side
    384,201,950.36x = 110,276,033,950,449,216
  5. Step 5: Solve for x
    x = 110,276,033,950,449,216/384,201,950.36
  6. Step 6: Final answer
    x = 287,026,221.10

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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.