Home / 619,401,200.70-929,101,801.05-374,513,187.90

Finding the Fourth Proportional to 619,401,200.70, 929,101,801.05 and 374,513,187.90

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Solution

The fourth proportional to 619,401,200.70, 929,101,801.05 and 374,513,187.90 is: 561,769,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,401,200.70 : 929,101,801.05 = 374,513,187.90 : x
  2. Step 2: Convert to fraction form
    619,401,200.70/929,101,801.05 = 374,513,187.90/x
  3. Step 3: Cross multiply
    619,401,200.70x = 929,101,801.05 × 374,513,187.90
  4. Step 4: Simplify right side
    619,401,200.70x = 347,960,877,394,867,008
  5. Step 5: Solve for x
    x = 347,960,877,394,867,008/619,401,200.70
  6. Step 6: Final answer
    x = 561,769,781.85

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1.5x scale

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.