Home / 388,383,670.80-582,575,506.20-349,416,579.60

Finding the Fourth Proportional to 388,383,670.80, 582,575,506.20 and 349,416,579.60

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Solution

The fourth proportional to 388,383,670.80, 582,575,506.20 and 349,416,579.60 is: 524,124,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,383,670.80 : 582,575,506.20 = 349,416,579.60 : x
  2. Step 2: Convert to fraction form
    388,383,670.80/582,575,506.20 = 349,416,579.60/x
  3. Step 3: Cross multiply
    388,383,670.80x = 582,575,506.20 × 349,416,579.60
  4. Step 4: Simplify right side
    388,383,670.80x = 203,561,540,735,142,624
  5. Step 5: Solve for x
    x = 203,561,540,735,142,624/388,383,670.80
  6. Step 6: Final answer
    x = 524,124,869.40

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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.