Home / 20,968,578,893.60-31,452,985,923.24-6,994,162,423.07

Finding the Fourth Proportional to 20,968,578,893.60, 31,452,985,923.24 and 6,994,162,423.07

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Solution

The fourth proportional to 20,968,578,893.60, 31,452,985,923.24 and 6,994,162,423.07 is: 10,491,282,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,968,578,893.60 : 31,452,985,923.24 = 6,994,162,423.07 : x
  2. Step 2: Convert to fraction form
    20,968,578,893.60/31,452,985,923.24 = 6,994,162,423.07/x
  3. Step 3: Cross multiply
    20,968,578,893.60x = 31,452,985,923.24 × 6,994,162,423.07
  4. Step 4: Simplify right side
    20,968,578,893.60x = 219,987,292,237,609,861,120
  5. Step 5: Solve for x
    x = 219,987,292,237,609,861,120/20,968,578,893.60
  6. Step 6: Final answer
    x = 10,491,282,854.88

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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.