Home / 6,448,947,966.32-9,668,924,453.60-2,857,421,680.30

Finding the Fourth Proportional to 6,448,947,966.32, 9,668,924,453.60 and 2,857,421,680.30

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Solution

The fourth proportional to 6,448,947,966.32, 9,668,924,453.60 and 2,857,421,680.30 is: 4,284,139,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,947,966.32 : 9,668,924,453.60 = 2,857,421,680.30 : x
  2. Step 2: Convert to fraction form
    6,448,947,966.32/9,668,924,453.60 = 2,857,421,680.30/x
  3. Step 3: Cross multiply
    6,448,947,966.32x = 9,668,924,453.60 × 2,857,421,680.30
  4. Step 4: Simplify right side
    6,448,947,966.32x = 27,628,194,358,899,474,432
  5. Step 5: Solve for x
    x = 27,628,194,358,899,474,432/6,448,947,966.32
  6. Step 6: Final answer
    x = 4,284,139,754.76

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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.