Home / 721,224,004.56-1,081,477,775.82-229,873,338.96

Finding the Fourth Proportional to 721,224,004.56, 1,081,477,775.82 and 229,873,338.96

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Solution

The fourth proportional to 721,224,004.56, 1,081,477,775.82 and 229,873,338.96 is: 344,695,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,224,004.56 : 1,081,477,775.82 = 229,873,338.96 : x
  2. Step 2: Convert to fraction form
    721,224,004.56/1,081,477,775.82 = 229,873,338.96/x
  3. Step 3: Cross multiply
    721,224,004.56x = 1,081,477,775.82 × 229,873,338.96
  4. Step 4: Simplify right side
    721,224,004.56x = 248,602,907,338,777,760
  5. Step 5: Solve for x
    x = 248,602,907,338,777,760/721,224,004.56
  6. Step 6: Final answer
    x = 344,695,830.65

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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.