Home / 418,903,523,193.58-628,355,293,103.86-100,549,721,986.66

Finding the Fourth Proportional to 418,903,523,193.58, 628,355,293,103.86 and 100,549,721,986.66

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Solution

The fourth proportional to 418,903,523,193.58, 628,355,293,103.86 and 100,549,721,986.66 is: 150,824,584,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,903,523,193.58 : 628,355,293,103.86 = 100,549,721,986.66 : x
  2. Step 2: Convert to fraction form
    418,903,523,193.58/628,355,293,103.86 = 100,549,721,986.66/x
  3. Step 3: Cross multiply
    418,903,523,193.58x = 628,355,293,103.86 × 100,549,721,986.66
  4. Step 4: Simplify right side
    418,903,523,193.58x = 63,180,950,030,439,384,350,720
  5. Step 5: Solve for x
    x = 63,180,950,030,439,384,350,720/418,903,523,193.58
  6. Step 6: Final answer
    x = 150,824,584,975.48

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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.