Home / 20,261,664,009.90-30,392,496,014.85-16,996,490,505.90

Finding the Fourth Proportional to 20,261,664,009.90, 30,392,496,014.85 and 16,996,490,505.90

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Solution

The fourth proportional to 20,261,664,009.90, 30,392,496,014.85 and 16,996,490,505.90 is: 25,494,735,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,664,009.90 : 30,392,496,014.85 = 16,996,490,505.90 : x
  2. Step 2: Convert to fraction form
    20,261,664,009.90/30,392,496,014.85 = 16,996,490,505.90/x
  3. Step 3: Cross multiply
    20,261,664,009.90x = 30,392,496,014.85 × 16,996,490,505.90
  4. Step 4: Simplify right side
    20,261,664,009.90x = 516,565,769,967,001,600,000
  5. Step 5: Solve for x
    x = 516,565,769,967,001,600,000/20,261,664,009.90
  6. Step 6: Final answer
    x = 25,494,735,758.85

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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.