Home / 384,697,780,629.48-530,662,371,755.76-239,930,576,645.58

Finding the Fourth Proportional to 384,697,780,629.48, 530,662,371,755.76 and 239,930,576,645.58

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Solution

The fourth proportional to 384,697,780,629.48, 530,662,371,755.76 and 239,930,576,645.58 is: 330,966,632,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,697,780,629.48 : 530,662,371,755.76 = 239,930,576,645.58 : x
  2. Step 2: Convert to fraction form
    384,697,780,629.48/530,662,371,755.76 = 239,930,576,645.58/x
  3. Step 3: Cross multiply
    384,697,780,629.48x = 530,662,371,755.76 × 239,930,576,645.58
  4. Step 4: Simplify right side
    384,697,780,629.48x = 127,322,128,859,470,629,961,728
  5. Step 5: Solve for x
    x = 127,322,128,859,470,629,961,728/384,697,780,629.48
  6. Step 6: Final answer
    x = 330,966,632,173.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.