Home / 1,078,033,515.44-1,617,050,428.68-260,145,819.68

Finding the Fourth Proportional to 1,078,033,515.44, 1,617,050,428.68 and 260,145,819.68

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Solution

The fourth proportional to 1,078,033,515.44, 1,617,050,428.68 and 260,145,819.68 is: 390,218,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,033,515.44 : 1,617,050,428.68 = 260,145,819.68 : x
  2. Step 2: Convert to fraction form
    1,078,033,515.44/1,617,050,428.68 = 260,145,819.68/x
  3. Step 3: Cross multiply
    1,078,033,515.44x = 1,617,050,428.68 × 260,145,819.68
  4. Step 4: Simplify right side
    1,078,033,515.44x = 420,668,909,232,854,016
  5. Step 5: Solve for x
    x = 420,668,909,232,854,016/1,078,033,515.44
  6. Step 6: Final answer
    x = 390,218,767.05

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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.