Home / 2,789,138,525.76-3,849,429,620.88-2,118,980,791.08

Finding the Fourth Proportional to 2,789,138,525.76, 3,849,429,620.88 and 2,118,980,791.08

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Solution

The fourth proportional to 2,789,138,525.76, 3,849,429,620.88 and 2,118,980,791.08 is: 2,924,511,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,138,525.76 : 3,849,429,620.88 = 2,118,980,791.08 : x
  2. Step 2: Convert to fraction form
    2,789,138,525.76/3,849,429,620.88 = 2,118,980,791.08/x
  3. Step 3: Cross multiply
    2,789,138,525.76x = 3,849,429,620.88 × 2,118,980,791.08
  4. Step 4: Simplify right side
    2,789,138,525.76x = 8,156,867,423,259,086,848
  5. Step 5: Solve for x
    x = 8,156,867,423,259,086,848/2,789,138,525.76
  6. Step 6: Final answer
    x = 2,924,511,403.05

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.