Home / 481,230,491.76-721,199,150.28-262,553,152.32

Finding the Fourth Proportional to 481,230,491.76, 721,199,150.28 and 262,553,152.32

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Solution

The fourth proportional to 481,230,491.76, 721,199,150.28 and 262,553,152.32 is: 393,476,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,230,491.76 : 721,199,150.28 = 262,553,152.32 : x
  2. Step 2: Convert to fraction form
    481,230,491.76/721,199,150.28 = 262,553,152.32/x
  3. Step 3: Cross multiply
    481,230,491.76x = 721,199,150.28 × 262,553,152.32
  4. Step 4: Simplify right side
    481,230,491.76x = 189,353,110,356,519,392
  5. Step 5: Solve for x
    x = 189,353,110,356,519,392/481,230,491.76
  6. Step 6: Final answer
    x = 393,476,958.75

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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.