Home / 346,009,297.82-477,491,112.41-187,239,308.90

Finding the Fourth Proportional to 346,009,297.82, 477,491,112.41 and 187,239,308.90

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Solution

The fourth proportional to 346,009,297.82, 477,491,112.41 and 187,239,308.90 is: 258,389,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,009,297.82 : 477,491,112.41 = 187,239,308.90 : x
  2. Step 2: Convert to fraction form
    346,009,297.82/477,491,112.41 = 187,239,308.90/x
  3. Step 3: Cross multiply
    346,009,297.82x = 477,491,112.41 × 187,239,308.90
  4. Step 4: Simplify right side
    346,009,297.82x = 89,405,105,890,216,960
  5. Step 5: Solve for x
    x = 89,405,105,890,216,960/346,009,297.82
  6. Step 6: Final answer
    x = 258,389,316.28

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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.