Home / 1,309,632,359.80-1,964,448,539.70-896,383,838.20

Finding the Fourth Proportional to 1,309,632,359.80, 1,964,448,539.70 and 896,383,838.20

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Solution

The fourth proportional to 1,309,632,359.80, 1,964,448,539.70 and 896,383,838.20 is: 1,344,575,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,632,359.80 : 1,964,448,539.70 = 896,383,838.20 : x
  2. Step 2: Convert to fraction form
    1,309,632,359.80/1,964,448,539.70 = 896,383,838.20/x
  3. Step 3: Cross multiply
    1,309,632,359.80x = 1,964,448,539.70 × 896,383,838.20
  4. Step 4: Simplify right side
    1,309,632,359.80x = 1,760,899,921,962,671,104
  5. Step 5: Solve for x
    x = 1,760,899,921,962,671,104/1,309,632,359.80
  6. Step 6: Final answer
    x = 1,344,575,757.30

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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.