Home / 2,779,650,421.90-4,170,181,374.69-1,286,758,251.34

Finding the Fourth Proportional to 2,779,650,421.90, 4,170,181,374.69 and 1,286,758,251.34

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Solution

The fourth proportional to 2,779,650,421.90, 4,170,181,374.69 and 1,286,758,251.34 is: 1,930,464,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,650,421.90 : 4,170,181,374.69 = 1,286,758,251.34 : x
  2. Step 2: Convert to fraction form
    2,779,650,421.90/4,170,181,374.69 = 1,286,758,251.34/x
  3. Step 3: Cross multiply
    2,779,650,421.90x = 4,170,181,374.69 × 1,286,758,251.34
  4. Step 4: Simplify right side
    2,779,650,421.90x = 5,366,015,293,466,741,760
  5. Step 5: Solve for x
    x = 5,366,015,293,466,741,760/2,779,650,421.90
  6. Step 6: Final answer
    x = 1,930,464,079.65

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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.