Home / 338,013,900.39-466,461,921.69-187,309,073.79

Finding the Fourth Proportional to 338,013,900.39, 466,461,921.69 and 187,309,073.79

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Solution

The fourth proportional to 338,013,900.39, 466,461,921.69 and 187,309,073.79 is: 258,488,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,013,900.39 : 466,461,921.69 = 187,309,073.79 : x
  2. Step 2: Convert to fraction form
    338,013,900.39/466,461,921.69 = 187,309,073.79/x
  3. Step 3: Cross multiply
    338,013,900.39x = 466,461,921.69 × 187,309,073.79
  4. Step 4: Simplify right side
    338,013,900.39x = 87,372,550,510,057,408
  5. Step 5: Solve for x
    x = 87,372,550,510,057,408/338,013,900.39
  6. Step 6: Final answer
    x = 258,488,039.72

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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.