Home / 19,052,799,029.36-28,580,559,033.24-5,078,347,719.92

Finding the Fourth Proportional to 19,052,799,029.36, 28,580,559,033.24 and 5,078,347,719.92

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Solution

The fourth proportional to 19,052,799,029.36, 28,580,559,033.24 and 5,078,347,719.92 is: 7,617,884,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,052,799,029.36 : 28,580,559,033.24 = 5,078,347,719.92 : x
  2. Step 2: Convert to fraction form
    19,052,799,029.36/28,580,559,033.24 = 5,078,347,719.92/x
  3. Step 3: Cross multiply
    19,052,799,029.36x = 28,580,559,033.24 × 5,078,347,719.92
  4. Step 4: Simplify right side
    19,052,799,029.36x = 145,142,016,800,493,322,240
  5. Step 5: Solve for x
    x = 145,142,016,800,493,322,240/19,052,799,029.36
  6. Step 6: Final answer
    x = 7,617,884,205.72

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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.