Home / 490,417,801.20-734,794,256.70-295,920,528.30

Finding the Fourth Proportional to 490,417,801.20, 734,794,256.70 and 295,920,528.30

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Solution

The fourth proportional to 490,417,801.20, 734,794,256.70 and 295,920,528.30 is: 443,378,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,417,801.20 : 734,794,256.70 = 295,920,528.30 : x
  2. Step 2: Convert to fraction form
    490,417,801.20/734,794,256.70 = 295,920,528.30/x
  3. Step 3: Cross multiply
    490,417,801.20x = 734,794,256.70 × 295,920,528.30
  4. Step 4: Simplify right side
    490,417,801.20x = 217,440,704,634,469,824
  5. Step 5: Solve for x
    x = 217,440,704,634,469,824/490,417,801.20
  6. Step 6: Final answer
    x = 443,378,490.96

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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.