Home / 619,277,246.30-928,915,869.45-343,778,231.90

Finding the Fourth Proportional to 619,277,246.30, 928,915,869.45 and 343,778,231.90

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Solution

The fourth proportional to 619,277,246.30, 928,915,869.45 and 343,778,231.90 is: 515,667,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,277,246.30 : 928,915,869.45 = 343,778,231.90 : x
  2. Step 2: Convert to fraction form
    619,277,246.30/928,915,869.45 = 343,778,231.90/x
  3. Step 3: Cross multiply
    619,277,246.30x = 928,915,869.45 × 343,778,231.90
  4. Step 4: Simplify right side
    619,277,246.30x = 319,341,055,183,372,224
  5. Step 5: Solve for x
    x = 319,341,055,183,372,224/619,277,246.30
  6. Step 6: Final answer
    x = 515,667,347.85

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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.