Home / 2,848,296,432.12-3,930,597,051.81-1,578,132,782.88

Finding the Fourth Proportional to 2,848,296,432.12, 3,930,597,051.81 and 1,578,132,782.88

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Solution

The fourth proportional to 2,848,296,432.12, 3,930,597,051.81 and 1,578,132,782.88 is: 2,177,794,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,296,432.12 : 3,930,597,051.81 = 1,578,132,782.88 : x
  2. Step 2: Convert to fraction form
    2,848,296,432.12/3,930,597,051.81 = 1,578,132,782.88/x
  3. Step 3: Cross multiply
    2,848,296,432.12x = 3,930,597,051.81 × 1,578,132,782.88
  4. Step 4: Simplify right side
    2,848,296,432.12x = 6,203,004,063,752,839,168
  5. Step 5: Solve for x
    x = 6,203,004,063,752,839,168/2,848,296,432.12
  6. Step 6: Final answer
    x = 2,177,794,415.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.