Home / 1,309,632,408.30-1,964,448,612.45-896,383,886.70

Finding the Fourth Proportional to 1,309,632,408.30, 1,964,448,612.45 and 896,383,886.70

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Solution

The fourth proportional to 1,309,632,408.30, 1,964,448,612.45 and 896,383,886.70 is: 1,344,575,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,632,408.30 : 1,964,448,612.45 = 896,383,886.70 : x
  2. Step 2: Convert to fraction form
    1,309,632,408.30/1,964,448,612.45 = 896,383,886.70/x
  3. Step 3: Cross multiply
    1,309,632,408.30x = 1,964,448,612.45 × 896,383,886.70
  4. Step 4: Simplify right side
    1,309,632,408.30x = 1,760,900,082,450,353,152
  5. Step 5: Solve for x
    x = 1,760,900,082,450,353,152/1,309,632,408.30
  6. Step 6: Final answer
    x = 1,344,575,830.05

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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.