Home / 384,366,901.06-530,423,682.24-208,150,863.76

Finding the Fourth Proportional to 384,366,901.06, 530,423,682.24 and 208,150,863.76

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Solution

The fourth proportional to 384,366,901.06, 530,423,682.24 and 208,150,863.76 is: 287,246,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,366,901.06 : 530,423,682.24 = 208,150,863.76 : x
  2. Step 2: Convert to fraction form
    384,366,901.06/530,423,682.24 = 208,150,863.76/x
  3. Step 3: Cross multiply
    384,366,901.06x = 530,423,682.24 × 208,150,863.76
  4. Step 4: Simplify right side
    384,366,901.06x = 110,408,147,617,015,776
  5. Step 5: Solve for x
    x = 110,408,147,617,015,776/384,366,901.06
  6. Step 6: Final answer
    x = 287,246,761.66

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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.