Home / 408,898,599,596.90-613,360,394,709.17-140,283,811,869.55

Finding the Fourth Proportional to 408,898,599,596.90, 613,360,394,709.17 and 140,283,811,869.55

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Solution

The fourth proportional to 408,898,599,596.90, 613,360,394,709.17 and 140,283,811,869.55 is: 210,430,004,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,898,599,596.90 : 613,360,394,709.17 = 140,283,811,869.55 : x
  2. Step 2: Convert to fraction form
    408,898,599,596.90/613,360,394,709.17 = 140,283,811,869.55/x
  3. Step 3: Cross multiply
    408,898,599,596.90x = 613,360,394,709.17 × 140,283,811,869.55
  4. Step 4: Simplify right side
    408,898,599,596.90x = 86,044,534,219,614,126,604,288
  5. Step 5: Solve for x
    x = 86,044,534,219,614,126,604,288/408,898,599,596.90
  6. Step 6: Final answer
    x = 210,430,004,662.38

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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.