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Finding the Fourth Proportional to 43,785,643,978.79, 65,671,829,862.80 and 11,916,800,329.33

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Solution

The fourth proportional to 43,785,643,978.79, 65,671,829,862.80 and 11,916,800,329.33 is: 17,873,394,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,785,643,978.79 : 65,671,829,862.80 = 11,916,800,329.33 : x
  2. Step 2: Convert to fraction form
    43,785,643,978.79/65,671,829,862.80 = 11,916,800,329.33/x
  3. Step 3: Cross multiply
    43,785,643,978.79x = 65,671,829,862.80 × 11,916,800,329.33
  4. Step 4: Simplify right side
    43,785,643,978.79x = 782,598,083,736,826,281,984
  5. Step 5: Solve for x
    x = 782,598,083,736,826,281,984/43,785,643,978.79
  6. Step 6: Final answer
    x = 17,873,394,396.48

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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.