Home / 384,367,065.09-530,423,908.62-208,151,027.95

Finding the Fourth Proportional to 384,367,065.09, 530,423,908.62 and 208,151,027.95

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Solution

The fourth proportional to 384,367,065.09, 530,423,908.62 and 208,151,027.95 is: 287,246,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,367,065.09 : 530,423,908.62 = 208,151,027.95 : x
  2. Step 2: Convert to fraction form
    384,367,065.09/530,423,908.62 = 208,151,027.95/x
  3. Step 3: Cross multiply
    384,367,065.09x = 530,423,908.62 × 208,151,027.95
  4. Step 4: Simplify right side
    384,367,065.09x = 110,408,281,825,857,744
  5. Step 5: Solve for x
    x = 110,408,281,825,857,744/384,367,065.09
  6. Step 6: Final answer
    x = 287,246,988.24

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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.