Home / 383,633,430.92-529,462,622.58-251,585,520.20

Finding the Fourth Proportional to 383,633,430.92, 529,462,622.58 and 251,585,520.20

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Solution

The fourth proportional to 383,633,430.92, 529,462,622.58 and 251,585,520.20 is: 347,219,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,633,430.92 : 529,462,622.58 = 251,585,520.20 : x
  2. Step 2: Convert to fraction form
    383,633,430.92/529,462,622.58 = 251,585,520.20/x
  3. Step 3: Cross multiply
    383,633,430.92x = 529,462,622.58 × 251,585,520.20
  4. Step 4: Simplify right side
    383,633,430.92x = 133,205,129,328,245,552
  5. Step 5: Solve for x
    x = 133,205,129,328,245,552/383,633,430.92
  6. Step 6: Final answer
    x = 347,219,816.09

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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.