Home / 12,842,928,051.20-19,264,392,076.80-11,496,043,980.80

Finding the Fourth Proportional to 12,842,928,051.20, 19,264,392,076.80 and 11,496,043,980.80

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Solution

The fourth proportional to 12,842,928,051.20, 19,264,392,076.80 and 11,496,043,980.80 is: 17,244,065,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,928,051.20 : 19,264,392,076.80 = 11,496,043,980.80 : x
  2. Step 2: Convert to fraction form
    12,842,928,051.20/19,264,392,076.80 = 11,496,043,980.80/x
  3. Step 3: Cross multiply
    12,842,928,051.20x = 19,264,392,076.80 × 11,496,043,980.80
  4. Step 4: Simplify right side
    12,842,928,051.20x = 221,464,298,578,267,832,320
  5. Step 5: Solve for x
    x = 221,464,298,578,267,832,320/12,842,928,051.20
  6. Step 6: Final answer
    x = 17,244,065,971.20

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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.