Home / 12,539,918,781.87-18,811,645,135.98-4,028,447,531.07

Finding the Fourth Proportional to 12,539,918,781.87, 18,811,645,135.98 and 4,028,447,531.07

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Solution

The fourth proportional to 12,539,918,781.87, 18,811,645,135.98 and 4,028,447,531.07 is: 6,043,238,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,918,781.87 : 18,811,645,135.98 = 4,028,447,531.07 : x
  2. Step 2: Convert to fraction form
    12,539,918,781.87/18,811,645,135.98 = 4,028,447,531.07/x
  3. Step 3: Cross multiply
    12,539,918,781.87x = 18,811,645,135.98 × 4,028,447,531.07
  4. Step 4: Simplify right side
    12,539,918,781.87x = 75,781,725,403,403,599,872
  5. Step 5: Solve for x
    x = 75,781,725,403,403,599,872/12,539,918,781.87
  6. Step 6: Final answer
    x = 6,043,238,933.33

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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.