Home / 380,616,310.14-525,359,977.20-229,885,023.66

Finding the Fourth Proportional to 380,616,310.14, 525,359,977.20 and 229,885,023.66

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Solution

The fourth proportional to 380,616,310.14, 525,359,977.20 and 229,885,023.66 is: 317,307,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,616,310.14 : 525,359,977.20 = 229,885,023.66 : x
  2. Step 2: Convert to fraction form
    380,616,310.14/525,359,977.20 = 229,885,023.66/x
  3. Step 3: Cross multiply
    380,616,310.14x = 525,359,977.20 × 229,885,023.66
  4. Step 4: Simplify right side
    380,616,310.14x = 120,772,390,788,639,056
  5. Step 5: Solve for x
    x = 120,772,390,788,639,056/380,616,310.14
  6. Step 6: Final answer
    x = 317,307,449.97

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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.