Home / 549,667,012.86-758,905,740.57-422,280,811.02

Finding the Fourth Proportional to 549,667,012.86, 758,905,740.57 and 422,280,811.02

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Solution

The fourth proportional to 549,667,012.86, 758,905,740.57 and 422,280,811.02 is: 583,028,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,667,012.86 : 758,905,740.57 = 422,280,811.02 : x
  2. Step 2: Convert to fraction form
    549,667,012.86/758,905,740.57 = 422,280,811.02/x
  3. Step 3: Cross multiply
    549,667,012.86x = 758,905,740.57 × 422,280,811.02
  4. Step 4: Simplify right side
    549,667,012.86x = 320,471,331,615,633,344
  5. Step 5: Solve for x
    x = 320,471,331,615,633,344/549,667,012.86
  6. Step 6: Final answer
    x = 583,028,131.79

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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.