Home / 490,303,281.30-735,741,078.76-272,136,714.90

Finding the Fourth Proportional to 490,303,281.30, 735,741,078.76 and 272,136,714.90

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Solution

The fourth proportional to 490,303,281.30, 735,741,078.76 and 272,136,714.90 is: 408,363,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,303,281.30 : 735,741,078.76 = 272,136,714.90 : x
  2. Step 2: Convert to fraction form
    490,303,281.30/735,741,078.76 = 272,136,714.90/x
  3. Step 3: Cross multiply
    490,303,281.30x = 735,741,078.76 × 272,136,714.90
  4. Step 4: Simplify right side
    490,303,281.30x = 200,222,160,190,728,544
  5. Step 5: Solve for x
    x = 200,222,160,190,728,544/490,303,281.30
  6. Step 6: Final answer
    x = 408,363,900.11

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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.