Home / 18,739,510,131.44-28,108,275,205.44-6,146,709,808.70

Finding the Fourth Proportional to 18,739,510,131.44, 28,108,275,205.44 and 6,146,709,808.70

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Solution

The fourth proportional to 18,739,510,131.44, 28,108,275,205.44 and 6,146,709,808.70 is: 9,219,739,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,510,131.44 : 28,108,275,205.44 = 6,146,709,808.70 : x
  2. Step 2: Convert to fraction form
    18,739,510,131.44/28,108,275,205.44 = 6,146,709,808.70/x
  3. Step 3: Cross multiply
    18,739,510,131.44x = 28,108,275,205.44 × 6,146,709,808.70
  4. Step 4: Simplify right side
    18,739,510,131.44x = 172,773,410,910,917,033,984
  5. Step 5: Solve for x
    x = 172,773,410,910,917,033,984/18,739,510,131.44
  6. Step 6: Final answer
    x = 9,219,739,987.82

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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.