Home / 12,786,475,466.38-19,179,502,190.48-3,822,685,715.73

Finding the Fourth Proportional to 12,786,475,466.38, 19,179,502,190.48 and 3,822,685,715.73

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Solution

The fourth proportional to 12,786,475,466.38, 19,179,502,190.48 and 3,822,685,715.73 is: 5,733,965,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,475,466.38 : 19,179,502,190.48 = 3,822,685,715.73 : x
  2. Step 2: Convert to fraction form
    12,786,475,466.38/19,179,502,190.48 = 3,822,685,715.73/x
  3. Step 3: Cross multiply
    12,786,475,466.38x = 19,179,502,190.48 × 3,822,685,715.73
  4. Step 4: Simplify right side
    12,786,475,466.38x = 73,317,209,058,360,139,776
  5. Step 5: Solve for x
    x = 73,317,209,058,360,139,776/12,786,475,466.38
  6. Step 6: Final answer
    x = 5,733,965,489.64

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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.