Home / 439,498,800.90-606,485,718.54-260,890,185.06

Finding the Fourth Proportional to 439,498,800.90, 606,485,718.54 and 260,890,185.06

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Solution

The fourth proportional to 439,498,800.90, 606,485,718.54 and 260,890,185.06 is: 360,015,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,498,800.90 : 606,485,718.54 = 260,890,185.06 : x
  2. Step 2: Convert to fraction form
    439,498,800.90/606,485,718.54 = 260,890,185.06/x
  3. Step 3: Cross multiply
    439,498,800.90x = 606,485,718.54 × 260,890,185.06
  4. Step 4: Simplify right side
    439,498,800.90x = 158,226,171,346,147,680
  5. Step 5: Solve for x
    x = 158,226,171,346,147,680/439,498,800.90
  6. Step 6: Final answer
    x = 360,015,023.98

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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.