Home / 1,432,801,639.72-2,149,605,567.42-512,808,771.88

Finding the Fourth Proportional to 1,432,801,639.72, 2,149,605,567.42 and 512,808,771.88

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Solution

The fourth proportional to 1,432,801,639.72, 2,149,605,567.42 and 512,808,771.88 is: 769,357,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,801,639.72 : 2,149,605,567.42 = 512,808,771.88 : x
  2. Step 2: Convert to fraction form
    1,432,801,639.72/2,149,605,567.42 = 512,808,771.88/x
  3. Step 3: Cross multiply
    1,432,801,639.72x = 2,149,605,567.42 × 512,808,771.88
  4. Step 4: Simplify right side
    1,432,801,639.72x = 1,102,336,591,055,060,736
  5. Step 5: Solve for x
    x = 1,102,336,591,055,060,736/1,432,801,639.72
  6. Step 6: Final answer
    x = 769,357,432.67

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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.