Home / 384,682,800.11-530,862,718.05-208,470,794.45

Finding the Fourth Proportional to 384,682,800.11, 530,862,718.05 and 208,470,794.45

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Solution

The fourth proportional to 384,682,800.11, 530,862,718.05 and 208,470,794.45 is: 287,689,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,682,800.11 : 530,862,718.05 = 208,470,794.45 : x
  2. Step 2: Convert to fraction form
    384,682,800.11/530,862,718.05 = 208,470,794.45/x
  3. Step 3: Cross multiply
    384,682,800.11x = 530,862,718.05 × 208,470,794.45
  4. Step 4: Simplify right side
    384,682,800.11x = 110,669,372,573,115,536
  5. Step 5: Solve for x
    x = 110,669,372,573,115,536/384,682,800.11
  6. Step 6: Final answer
    x = 287,689,942.32

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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.