Home / 3,886,151,143.83-5,829,243,710.81-1,230,220,190.58

Finding the Fourth Proportional to 3,886,151,143.83, 5,829,243,710.81 and 1,230,220,190.58

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Solution

The fourth proportional to 3,886,151,143.83, 5,829,243,710.81 and 1,230,220,190.58 is: 1,845,335,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,151,143.83 : 5,829,243,710.81 = 1,230,220,190.58 : x
  2. Step 2: Convert to fraction form
    3,886,151,143.83/5,829,243,710.81 = 1,230,220,190.58/x
  3. Step 3: Cross multiply
    3,886,151,143.83x = 5,829,243,710.81 × 1,230,220,190.58
  4. Step 4: Simplify right side
    3,886,151,143.83x = 7,171,253,308,843,793,408
  5. Step 5: Solve for x
    x = 7,171,253,308,843,793,408/3,886,151,143.83
  6. Step 6: Final answer
    x = 1,845,335,665.91

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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.