Home / 19,821,479,660.40-29,732,219,490.60-11,441,717,972.40

Finding the Fourth Proportional to 19,821,479,660.40, 29,732,219,490.60 and 11,441,717,972.40

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Solution

The fourth proportional to 19,821,479,660.40, 29,732,219,490.60 and 11,441,717,972.40 is: 17,162,576,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821,479,660.40 : 29,732,219,490.60 = 11,441,717,972.40 : x
  2. Step 2: Convert to fraction form
    19,821,479,660.40/29,732,219,490.60 = 11,441,717,972.40/x
  3. Step 3: Cross multiply
    19,821,479,660.40x = 29,732,219,490.60 × 11,441,717,972.40
  4. Step 4: Simplify right side
    19,821,479,660.40x = 340,187,670,104,939,560,960
  5. Step 5: Solve for x
    x = 340,187,670,104,939,560,960/19,821,479,660.40
  6. Step 6: Final answer
    x = 17,162,576,958.60

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1.5x scale

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.