Home / 1,385,631,801.21-2,078,757,905.91-465,483,044.01

Finding the Fourth Proportional to 1,385,631,801.21, 2,078,757,905.91 and 465,483,044.01

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Solution

The fourth proportional to 1,385,631,801.21, 2,078,757,905.91 and 465,483,044.01 is: 698,328,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,631,801.21 : 2,078,757,905.91 = 465,483,044.01 : x
  2. Step 2: Convert to fraction form
    1,385,631,801.21/2,078,757,905.91 = 465,483,044.01/x
  3. Step 3: Cross multiply
    1,385,631,801.21x = 2,078,757,905.91 × 465,483,044.01
  4. Step 4: Simplify right side
    1,385,631,801.21x = 967,626,557,802,839,936
  5. Step 5: Solve for x
    x = 967,626,557,802,839,936/1,385,631,801.21
  6. Step 6: Final answer
    x = 698,328,774.61

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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.