Home / 488,943,849.40-733,415,774.10-161,469,905.20

Finding the Fourth Proportional to 488,943,849.40, 733,415,774.10 and 161,469,905.20

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Solution

The fourth proportional to 488,943,849.40, 733,415,774.10 and 161,469,905.20 is: 242,204,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,943,849.40 : 733,415,774.10 = 161,469,905.20 : x
  2. Step 2: Convert to fraction form
    488,943,849.40/733,415,774.10 = 161,469,905.20/x
  3. Step 3: Cross multiply
    488,943,849.40x = 733,415,774.10 × 161,469,905.20
  4. Step 4: Simplify right side
    488,943,849.40x = 118,424,575,516,111,616
  5. Step 5: Solve for x
    x = 118,424,575,516,111,616/488,943,849.40
  6. Step 6: Final answer
    x = 242,204,857.80

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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.