Home / 639,089,821.35-958,634,732.03-366,992,029.35

Finding the Fourth Proportional to 639,089,821.35, 958,634,732.03 and 366,992,029.35

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Solution

The fourth proportional to 639,089,821.35, 958,634,732.03 and 366,992,029.35 is: 550,488,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,089,821.35 : 958,634,732.03 = 366,992,029.35 : x
  2. Step 2: Convert to fraction form
    639,089,821.35/958,634,732.03 = 366,992,029.35/x
  3. Step 3: Cross multiply
    639,089,821.35x = 958,634,732.03 × 366,992,029.35
  4. Step 4: Simplify right side
    639,089,821.35x = 351,811,305,713,083,136
  5. Step 5: Solve for x
    x = 351,811,305,713,083,136/639,089,821.35
  6. Step 6: Final answer
    x = 550,488,044.03

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Double scale
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Similar ratio
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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.