Home / 384,367,053.71-530,423,892.92-208,151,016.57

Finding the Fourth Proportional to 384,367,053.71, 530,423,892.92 and 208,151,016.57

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Solution

The fourth proportional to 384,367,053.71, 530,423,892.92 and 208,151,016.57 is: 287,246,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,367,053.71 : 530,423,892.92 = 208,151,016.57 : x
  2. Step 2: Convert to fraction form
    384,367,053.71/530,423,892.92 = 208,151,016.57/x
  3. Step 3: Cross multiply
    384,367,053.71x = 530,423,892.92 × 208,151,016.57
  4. Step 4: Simplify right side
    384,367,053.71x = 110,408,272,524,835,200
  5. Step 5: Solve for x
    x = 110,408,272,524,835,200/384,367,053.71
  6. Step 6: Final answer
    x = 287,246,972.54

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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.