Home / 384,367,055.22-530,423,894.99-208,151,018.07

Finding the Fourth Proportional to 384,367,055.22, 530,423,894.99 and 208,151,018.07

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Solution

The fourth proportional to 384,367,055.22, 530,423,894.99 and 208,151,018.07 is: 287,246,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,367,055.22 : 530,423,894.99 = 208,151,018.07 : x
  2. Step 2: Convert to fraction form
    384,367,055.22/530,423,894.99 = 208,151,018.07/x
  3. Step 3: Cross multiply
    384,367,055.22x = 530,423,894.99 × 208,151,018.07
  4. Step 4: Simplify right side
    384,367,055.22x = 110,408,273,749,782,512
  5. Step 5: Solve for x
    x = 110,408,273,749,782,512/384,367,055.22
  6. Step 6: Final answer
    x = 287,246,974.61

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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.