Home / 455,144,679.30-628,099,658.26-246,300,821.88

Finding the Fourth Proportional to 455,144,679.30, 628,099,658.26 and 246,300,821.88

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Solution

The fourth proportional to 455,144,679.30, 628,099,658.26 and 246,300,821.88 is: 339,895,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,144,679.30 : 628,099,658.26 = 246,300,821.88 : x
  2. Step 2: Convert to fraction form
    455,144,679.30/628,099,658.26 = 246,300,821.88/x
  3. Step 3: Cross multiply
    455,144,679.30x = 628,099,658.26 × 246,300,821.88
  4. Step 4: Simplify right side
    455,144,679.30x = 154,701,462,051,985,120
  5. Step 5: Solve for x
    x = 154,701,462,051,985,120/455,144,679.30
  6. Step 6: Final answer
    x = 339,895,134.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.