Home / 1,309,632,401.80-1,964,448,602.70-896,383,880.20

Finding the Fourth Proportional to 1,309,632,401.80, 1,964,448,602.70 and 896,383,880.20

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Solution

The fourth proportional to 1,309,632,401.80, 1,964,448,602.70 and 896,383,880.20 is: 1,344,575,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,632,401.80 : 1,964,448,602.70 = 896,383,880.20 : x
  2. Step 2: Convert to fraction form
    1,309,632,401.80/1,964,448,602.70 = 896,383,880.20/x
  3. Step 3: Cross multiply
    1,309,632,401.80x = 1,964,448,602.70 × 896,383,880.20
  4. Step 4: Simplify right side
    1,309,632,401.80x = 1,760,900,060,941,694,208
  5. Step 5: Solve for x
    x = 1,760,900,060,941,694,208/1,309,632,401.80
  6. Step 6: Final answer
    x = 1,344,575,820.30

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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.