Home / 13,199,565,609.12-18,263,366,727.66-11,509,544,368.56

Finding the Fourth Proportional to 13,199,565,609.12, 18,263,366,727.66 and 11,509,544,368.56

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Solution

The fourth proportional to 13,199,565,609.12, 18,263,366,727.66 and 11,509,544,368.56 is: 15,924,996,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199,565,609.12 : 18,263,366,727.66 = 11,509,544,368.56 : x
  2. Step 2: Convert to fraction form
    13,199,565,609.12/18,263,366,727.66 = 11,509,544,368.56/x
  3. Step 3: Cross multiply
    13,199,565,609.12x = 18,263,366,727.66 × 11,509,544,368.56
  4. Step 4: Simplify right side
    13,199,565,609.12x = 210,203,029,671,285,227,520
  5. Step 5: Solve for x
    x = 210,203,029,671,285,227,520/13,199,565,609.12
  6. Step 6: Final answer
    x = 15,924,996,010.93

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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.