Home / 418,903,523,546.59-628,355,293,634.30-100,549,722,340.73

Finding the Fourth Proportional to 418,903,523,546.59, 628,355,293,634.30 and 100,549,722,340.73

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Solution

The fourth proportional to 418,903,523,546.59, 628,355,293,634.30 and 100,549,722,340.73 is: 150,824,585,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,903,523,546.59 : 628,355,293,634.30 = 100,549,722,340.73 : x
  2. Step 2: Convert to fraction form
    418,903,523,546.59/628,355,293,634.30 = 100,549,722,340.73/x
  3. Step 3: Cross multiply
    418,903,523,546.59x = 628,355,293,634.30 × 100,549,722,340.73
  4. Step 4: Simplify right side
    418,903,523,546.59x = 63,180,950,306,256,739,893,248
  5. Step 5: Solve for x
    x = 63,180,950,306,256,739,893,248/418,903,523,546.59
  6. Step 6: Final answer
    x = 150,824,585,506.81

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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.