Home / 361,134,483.21-498,365,658.83-220,005,698.44

Finding the Fourth Proportional to 361,134,483.21, 498,365,658.83 and 220,005,698.44

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Solution

The fourth proportional to 361,134,483.21, 498,365,658.83 and 220,005,698.44 is: 303,607,907.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,134,483.21 : 498,365,658.83 = 220,005,698.44 : x
  2. Step 2: Convert to fraction form
    361,134,483.21/498,365,658.83 = 220,005,698.44/x
  3. Step 3: Cross multiply
    361,134,483.21x = 498,365,658.83 × 220,005,698.44
  4. Step 4: Simplify right side
    361,134,483.21x = 109,643,284,849,404,896
  5. Step 5: Solve for x
    x = 109,643,284,849,404,896/361,134,483.21
  6. Step 6: Final answer
    x = 303,607,907.71

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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.