Home / 381,516,032.22-526,462,107.03-216,503,601.18

Finding the Fourth Proportional to 381,516,032.22, 526,462,107.03 and 216,503,601.18

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Solution

The fourth proportional to 381,516,032.22, 526,462,107.03 and 216,503,601.18 is: 298,757,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,516,032.22 : 526,462,107.03 = 216,503,601.18 : x
  2. Step 2: Convert to fraction form
    381,516,032.22/526,462,107.03 = 216,503,601.18/x
  3. Step 3: Cross multiply
    381,516,032.22x = 526,462,107.03 × 216,503,601.18
  4. Step 4: Simplify right side
    381,516,032.22x = 113,980,942,056,805,584
  5. Step 5: Solve for x
    x = 113,980,942,056,805,584/381,516,032.22
  6. Step 6: Final answer
    x = 298,757,935.27

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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.