Home / 12,181,783,778.57-18,259,779,161.93-4,097,548,850.41

Finding the Fourth Proportional to 12,181,783,778.57, 18,259,779,161.93 and 4,097,548,850.41

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Solution

The fourth proportional to 12,181,783,778.57, 18,259,779,161.93 and 4,097,548,850.41 is: 6,141,985,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,783,778.57 : 18,259,779,161.93 = 4,097,548,850.41 : x
  2. Step 2: Convert to fraction form
    12,181,783,778.57/18,259,779,161.93 = 4,097,548,850.41/x
  3. Step 3: Cross multiply
    12,181,783,778.57x = 18,259,779,161.93 × 4,097,548,850.41
  4. Step 4: Simplify right side
    12,181,783,778.57x = 74,820,337,113,679,364,096
  5. Step 5: Solve for x
    x = 74,820,337,113,679,364,096/12,181,783,778.57
  6. Step 6: Final answer
    x = 6,141,985,317.89

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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.