Home / 286,787,978.55-430,181,311.73-122,919,480.27

Finding the Fourth Proportional to 286,787,978.55, 430,181,311.73 and 122,919,480.27

Calculator

Solution

The fourth proportional to 286,787,978.55, 430,181,311.73 and 122,919,480.27 is: 184,378,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,787,978.55 : 430,181,311.73 = 122,919,480.27 : x
  2. Step 2: Convert to fraction form
    286,787,978.55/430,181,311.73 = 122,919,480.27/x
  3. Step 3: Cross multiply
    286,787,978.55x = 430,181,311.73 × 122,919,480.27
  4. Step 4: Simplify right side
    286,787,978.55x = 52,877,663,259,103,856
  5. Step 5: Solve for x
    x = 52,877,663,259,103,856/286,787,978.55
  6. Step 6: Final answer
    x = 184,378,939.20

Related Problems

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.