Home / 346,009,298.82-477,491,113.78-187,239,309.90

Finding the Fourth Proportional to 346,009,298.82, 477,491,113.78 and 187,239,309.90

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Solution

The fourth proportional to 346,009,298.82, 477,491,113.78 and 187,239,309.90 is: 258,389,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,009,298.82 : 477,491,113.78 = 187,239,309.90 : x
  2. Step 2: Convert to fraction form
    346,009,298.82/477,491,113.78 = 187,239,309.90/x
  3. Step 3: Cross multiply
    346,009,298.82x = 477,491,113.78 × 187,239,309.90
  4. Step 4: Simplify right side
    346,009,298.82x = 89,405,106,627,549,584
  5. Step 5: Solve for x
    x = 89,405,106,627,549,584/346,009,298.82
  6. Step 6: Final answer
    x = 258,389,317.66

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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.