Home / 1,163,923,786.68-1,746,656,780.04-639,659,011.56

Finding the Fourth Proportional to 1,163,923,786.68, 1,746,656,780.04 and 639,659,011.56

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Solution

The fourth proportional to 1,163,923,786.68, 1,746,656,780.04 and 639,659,011.56 is: 959,912,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,923,786.68 : 1,746,656,780.04 = 639,659,011.56 : x
  2. Step 2: Convert to fraction form
    1,163,923,786.68/1,746,656,780.04 = 639,659,011.56/x
  3. Step 3: Cross multiply
    1,163,923,786.68x = 1,746,656,780.04 × 639,659,011.56
  4. Step 4: Simplify right side
    1,163,923,786.68x = 1,117,264,749,454,958,592
  5. Step 5: Solve for x
    x = 1,117,264,749,454,958,592/1,163,923,786.68
  6. Step 6: Final answer
    x = 959,912,291.72

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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.