Home / 338,013,899.39-466,461,920.31-187,309,072.79

Finding the Fourth Proportional to 338,013,899.39, 466,461,920.31 and 187,309,072.79

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Solution

The fourth proportional to 338,013,899.39, 466,461,920.31 and 187,309,072.79 is: 258,488,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,013,899.39 : 466,461,920.31 = 187,309,072.79 : x
  2. Step 2: Convert to fraction form
    338,013,899.39/466,461,920.31 = 187,309,072.79/x
  3. Step 3: Cross multiply
    338,013,899.39x = 466,461,920.31 × 187,309,072.79
  4. Step 4: Simplify right side
    338,013,899.39x = 87,372,549,785,108,960
  5. Step 5: Solve for x
    x = 87,372,549,785,108,960/338,013,899.39
  6. Step 6: Final answer
    x = 258,488,038.34

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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.