Home / 620,652,294.38-931,074,100.95-211,612,785.50

Finding the Fourth Proportional to 620,652,294.38, 931,074,100.95 and 211,612,785.50

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Solution

The fourth proportional to 620,652,294.38, 931,074,100.95 and 211,612,785.50 is: 317,451,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,652,294.38 : 931,074,100.95 = 211,612,785.50 : x
  2. Step 2: Convert to fraction form
    620,652,294.38/931,074,100.95 = 211,612,785.50/x
  3. Step 3: Cross multiply
    620,652,294.38x = 931,074,100.95 × 211,612,785.50
  4. Step 4: Simplify right side
    620,652,294.38x = 197,027,184,008,937,696
  5. Step 5: Solve for x
    x = 197,027,184,008,937,696/620,652,294.38
  6. Step 6: Final answer
    x = 317,451,793.53

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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.