Home / 512,709,747.69-769,064,630.64-124,529,962.08

Finding the Fourth Proportional to 512,709,747.69, 769,064,630.64 and 124,529,962.08

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Solution

The fourth proportional to 512,709,747.69, 769,064,630.64 and 124,529,962.08 is: 186,794,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,709,747.69 : 769,064,630.64 = 124,529,962.08 : x
  2. Step 2: Convert to fraction form
    512,709,747.69/769,064,630.64 = 124,529,962.08/x
  3. Step 3: Cross multiply
    512,709,747.69x = 769,064,630.64 × 124,529,962.08
  4. Step 4: Simplify right side
    512,709,747.69x = 95,771,589,290,668,400
  5. Step 5: Solve for x
    x = 95,771,589,290,668,400/512,709,747.69
  6. Step 6: Final answer
    x = 186,794,945.33

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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.