Home / 43,785,643,989.30-65,671,829,878.56-11,916,800,339.87

Finding the Fourth Proportional to 43,785,643,989.30, 65,671,829,878.56 and 11,916,800,339.87

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Solution

The fourth proportional to 43,785,643,989.30, 65,671,829,878.56 and 11,916,800,339.87 is: 17,873,394,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,785,643,989.30 : 65,671,829,878.56 = 11,916,800,339.87 : x
  2. Step 2: Convert to fraction form
    43,785,643,989.30/65,671,829,878.56 = 11,916,800,339.87/x
  3. Step 3: Cross multiply
    43,785,643,989.30x = 65,671,829,878.56 × 11,916,800,339.87
  4. Step 4: Simplify right side
    43,785,643,989.30x = 782,598,084,616,380,219,392
  5. Step 5: Solve for x
    x = 782,598,084,616,380,219,392/43,785,643,989.30
  6. Step 6: Final answer
    x = 17,873,394,412.28

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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.