Home / 1,432,801,638.72-2,149,605,565.92-512,808,770.88

Finding the Fourth Proportional to 1,432,801,638.72, 2,149,605,565.92 and 512,808,770.88

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Solution

The fourth proportional to 1,432,801,638.72, 2,149,605,565.92 and 512,808,770.88 is: 769,357,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,801,638.72 : 2,149,605,565.92 = 512,808,770.88 : x
  2. Step 2: Convert to fraction form
    1,432,801,638.72/2,149,605,565.92 = 512,808,770.88/x
  3. Step 3: Cross multiply
    1,432,801,638.72x = 2,149,605,565.92 × 512,808,770.88
  4. Step 4: Simplify right side
    1,432,801,638.72x = 1,102,336,588,136,242,048
  5. Step 5: Solve for x
    x = 1,102,336,588,136,242,048/1,432,801,638.72
  6. Step 6: Final answer
    x = 769,357,431.17

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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.