Home / 403,407,027.90-556,958,737.52-329,244,491.72

Finding the Fourth Proportional to 403,407,027.90, 556,958,737.52 and 329,244,491.72

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Solution

The fourth proportional to 403,407,027.90, 556,958,737.52 and 329,244,491.72 is: 454,567,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,407,027.90 : 556,958,737.52 = 329,244,491.72 : x
  2. Step 2: Convert to fraction form
    403,407,027.90/556,958,737.52 = 329,244,491.72/x
  3. Step 3: Cross multiply
    403,407,027.90x = 556,958,737.52 × 329,244,491.72
  4. Step 4: Simplify right side
    403,407,027.90x = 183,375,596,439,354,272
  5. Step 5: Solve for x
    x = 183,375,596,439,354,272/403,407,027.90
  6. Step 6: Final answer
    x = 454,567,183.41

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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.