Home / 2,779,650,421.40-4,170,181,373.94-1,286,758,250.84

Finding the Fourth Proportional to 2,779,650,421.40, 4,170,181,373.94 and 1,286,758,250.84

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Solution

The fourth proportional to 2,779,650,421.40, 4,170,181,373.94 and 1,286,758,250.84 is: 1,930,464,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,650,421.40 : 4,170,181,373.94 = 1,286,758,250.84 : x
  2. Step 2: Convert to fraction form
    2,779,650,421.40/4,170,181,373.94 = 1,286,758,250.84/x
  3. Step 3: Cross multiply
    2,779,650,421.40x = 4,170,181,373.94 × 1,286,758,250.84
  4. Step 4: Simplify right side
    2,779,650,421.40x = 5,366,015,290,416,581,632
  5. Step 5: Solve for x
    x = 5,366,015,290,416,581,632/2,779,650,421.40
  6. Step 6: Final answer
    x = 1,930,464,078.90

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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.