Home / 751,743,449.21-1,127,658,246.78-199,031,495.85

Finding the Fourth Proportional to 751,743,449.21, 1,127,658,246.78 and 199,031,495.85

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Solution

The fourth proportional to 751,743,449.21, 1,127,658,246.78 and 199,031,495.85 is: 298,558,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,743,449.21 : 1,127,658,246.78 = 199,031,495.85 : x
  2. Step 2: Convert to fraction form
    751,743,449.21/1,127,658,246.78 = 199,031,495.85/x
  3. Step 3: Cross multiply
    751,743,449.21x = 1,127,658,246.78 × 199,031,495.85
  4. Step 4: Simplify right side
    751,743,449.21x = 224,439,507,664,211,840
  5. Step 5: Solve for x
    x = 224,439,507,664,211,840/751,743,449.21
  6. Step 6: Final answer
    x = 298,558,647.77

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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.