Home / 2,080,519,205.88-3,120,301,253.52-1,240,399,667.76

Finding the Fourth Proportional to 2,080,519,205.88, 3,120,301,253.52 and 1,240,399,667.76

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Solution

The fourth proportional to 2,080,519,205.88, 3,120,301,253.52 and 1,240,399,667.76 is: 1,860,314,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,519,205.88 : 3,120,301,253.52 = 1,240,399,667.76 : x
  2. Step 2: Convert to fraction form
    2,080,519,205.88/3,120,301,253.52 = 1,240,399,667.76/x
  3. Step 3: Cross multiply
    2,080,519,205.88x = 3,120,301,253.52 × 1,240,399,667.76
  4. Step 4: Simplify right side
    2,080,519,205.88x = 3,870,420,638,177,319,424
  5. Step 5: Solve for x
    x = 3,870,420,638,177,319,424/2,080,519,205.88
  6. Step 6: Final answer
    x = 1,860,314,784.52

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Double scale
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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.