Home / 455,144,679.18-628,099,657.97-246,300,821.78

Finding the Fourth Proportional to 455,144,679.18, 628,099,657.97 and 246,300,821.78

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Solution

The fourth proportional to 455,144,679.18, 628,099,657.97 and 246,300,821.78 is: 339,895,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,144,679.18 : 628,099,657.97 = 246,300,821.78 : x
  2. Step 2: Convert to fraction form
    455,144,679.18/628,099,657.97 = 246,300,821.78/x
  3. Step 3: Cross multiply
    455,144,679.18x = 628,099,657.97 × 246,300,821.78
  4. Step 4: Simplify right side
    455,144,679.18x = 154,701,461,913,375,936
  5. Step 5: Solve for x
    x = 154,701,461,913,375,936/455,144,679.18
  6. Step 6: Final answer
    x = 339,895,134.43

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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.