Home / 12,811,283,686.80-19,219,823,213.40-6,915,716,380.44

Finding the Fourth Proportional to 12,811,283,686.80, 19,219,823,213.40 and 6,915,716,380.44

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Solution

The fourth proportional to 12,811,283,686.80, 19,219,823,213.40 and 6,915,716,380.44 is: 10,375,138,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,283,686.80 : 19,219,823,213.40 = 6,915,716,380.44 : x
  2. Step 2: Convert to fraction form
    12,811,283,686.80/19,219,823,213.40 = 6,915,716,380.44/x
  3. Step 3: Cross multiply
    12,811,283,686.80x = 19,219,823,213.40 × 6,915,716,380.44
  4. Step 4: Simplify right side
    12,811,283,686.80x = 132,918,846,226,071,339,008
  5. Step 5: Solve for x
    x = 132,918,846,226,071,339,008/12,811,283,686.80
  6. Step 6: Final answer
    x = 10,375,138,782.00

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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.