Home / 885,661,769.84-1,328,619,441-272,297,496.56

Finding the Fourth Proportional to 885,661,769.84, 1,328,619,441 and 272,297,496.56

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Solution

The fourth proportional to 885,661,769.84, 1,328,619,441 and 272,297,496.56 is: 408,485,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,661,769.84 : 1,328,619,441 = 272,297,496.56 : x
  2. Step 2: Convert to fraction form
    885,661,769.84/1,328,619,441 = 272,297,496.56/x
  3. Step 3: Cross multiply
    885,661,769.84x = 1,328,619,441 × 272,297,496.56
  4. Step 4: Simplify right side
    885,661,769.84x = 361,779,747,665,246,656
  5. Step 5: Solve for x
    x = 361,779,747,665,246,656/885,661,769.84
  6. Step 6: Final answer
    x = 408,485,225.38

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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.