Home / 12,124,498,199.88-16,731,629,449.92-6,772,136,669.49

Finding the Fourth Proportional to 12,124,498,199.88, 16,731,629,449.92 and 6,772,136,669.49

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Solution

The fourth proportional to 12,124,498,199.88, 16,731,629,449.92 and 6,772,136,669.49 is: 9,345,449,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,498,199.88 : 16,731,629,449.92 = 6,772,136,669.49 : x
  2. Step 2: Convert to fraction form
    12,124,498,199.88/16,731,629,449.92 = 6,772,136,669.49/x
  3. Step 3: Cross multiply
    12,124,498,199.88x = 16,731,629,449.92 × 6,772,136,669.49
  4. Step 4: Simplify right side
    12,124,498,199.88x = 113,308,881,338,122,027,008
  5. Step 5: Solve for x
    x = 113,308,881,338,122,027,008/12,124,498,199.88
  6. Step 6: Final answer
    x = 9,345,449,145.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.