Home / 455,144,677.31-628,099,655.49-246,300,819.89

Finding the Fourth Proportional to 455,144,677.31, 628,099,655.49 and 246,300,819.89

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Solution

The fourth proportional to 455,144,677.31, 628,099,655.49 and 246,300,819.89 is: 339,895,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,144,677.31 : 628,099,655.49 = 246,300,819.89 : x
  2. Step 2: Convert to fraction form
    455,144,677.31/628,099,655.49 = 246,300,819.89/x
  3. Step 3: Cross multiply
    455,144,677.31x = 628,099,655.49 × 246,300,819.89
  4. Step 4: Simplify right side
    455,144,677.31x = 154,701,460,116,673,024
  5. Step 5: Solve for x
    x = 154,701,460,116,673,024/455,144,677.31
  6. Step 6: Final answer
    x = 339,895,131.88

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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.