Home / 620,652,296.13-931,074,103.58-211,612,787.25

Finding the Fourth Proportional to 620,652,296.13, 931,074,103.58 and 211,612,787.25

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Solution

The fourth proportional to 620,652,296.13, 931,074,103.58 and 211,612,787.25 is: 317,451,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,652,296.13 : 931,074,103.58 = 211,612,787.25 : x
  2. Step 2: Convert to fraction form
    620,652,296.13/931,074,103.58 = 211,612,787.25/x
  3. Step 3: Cross multiply
    620,652,296.13x = 931,074,103.58 × 211,612,787.25
  4. Step 4: Simplify right side
    620,652,296.13x = 197,027,186,193,800,960
  5. Step 5: Solve for x
    x = 197,027,186,193,800,960/620,652,296.13
  6. Step 6: Final answer
    x = 317,451,796.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.