Home / 19,701,807,611.88-29,599,857,555.67-12,633,139,601.91

Finding the Fourth Proportional to 19,701,807,611.88, 29,599,857,555.67 and 12,633,139,601.91

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Solution

The fourth proportional to 19,701,807,611.88, 29,599,857,555.67 and 12,633,139,601.91 is: 18,979,940,321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701,807,611.88 : 29,599,857,555.67 = 12,633,139,601.91 : x
  2. Step 2: Convert to fraction form
    19,701,807,611.88/29,599,857,555.67 = 12,633,139,601.91/x
  3. Step 3: Cross multiply
    19,701,807,611.88x = 29,599,857,555.67 × 12,633,139,601.91
  4. Step 4: Simplify right side
    19,701,807,611.88x = 373,939,132,697,429,606,400
  5. Step 5: Solve for x
    x = 373,939,132,697,429,606,400/19,701,807,611.88
  6. Step 6: Final answer
    x = 18,979,940,321.41

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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.