Home / 652,742,460.72-979,220,044.80-192,727,131.12

Finding the Fourth Proportional to 652,742,460.72, 979,220,044.80 and 192,727,131.12

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Solution

The fourth proportional to 652,742,460.72, 979,220,044.80 and 192,727,131.12 is: 289,122,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,742,460.72 : 979,220,044.80 = 192,727,131.12 : x
  2. Step 2: Convert to fraction form
    652,742,460.72/979,220,044.80 = 192,727,131.12/x
  3. Step 3: Cross multiply
    652,742,460.72x = 979,220,044.80 × 192,727,131.12
  4. Step 4: Simplify right side
    652,742,460.72x = 188,722,269,969,501,856
  5. Step 5: Solve for x
    x = 188,722,269,969,501,856/652,742,460.72
  6. Step 6: Final answer
    x = 289,122,098.42

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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.