Home / 12,289,072,801.24-18,431,530,077.90-3,443,875,921.96

Finding the Fourth Proportional to 12,289,072,801.24, 18,431,530,077.90 and 3,443,875,921.96

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Solution

The fourth proportional to 12,289,072,801.24, 18,431,530,077.90 and 3,443,875,921.96 is: 5,165,231,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,072,801.24 : 18,431,530,077.90 = 3,443,875,921.96 : x
  2. Step 2: Convert to fraction form
    12,289,072,801.24/18,431,530,077.90 = 3,443,875,921.96/x
  3. Step 3: Cross multiply
    12,289,072,801.24x = 18,431,530,077.90 × 3,443,875,921.96
  4. Step 4: Simplify right side
    12,289,072,801.24x = 63,475,902,640,161,341,440
  5. Step 5: Solve for x
    x = 63,475,902,640,161,341,440/12,289,072,801.24
  6. Step 6: Final answer
    x = 5,165,231,231.58

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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.