Home / 721,224,006.05-1,081,477,778.07-229,873,340.45

Finding the Fourth Proportional to 721,224,006.05, 1,081,477,778.07 and 229,873,340.45

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Solution

The fourth proportional to 721,224,006.05, 1,081,477,778.07 and 229,873,340.45 is: 344,695,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,224,006.05 : 1,081,477,778.07 = 229,873,340.45 : x
  2. Step 2: Convert to fraction form
    721,224,006.05/1,081,477,778.07 = 229,873,340.45/x
  3. Step 3: Cross multiply
    721,224,006.05x = 1,081,477,778.07 × 229,873,340.45
  4. Step 4: Simplify right side
    721,224,006.05x = 248,602,909,467,394,624
  5. Step 5: Solve for x
    x = 248,602,909,467,394,624/721,224,006.05
  6. Step 6: Final answer
    x = 344,695,832.89

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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.