Home / 549,667,014.80-758,905,743.39-422,280,813.02

Finding the Fourth Proportional to 549,667,014.80, 758,905,743.39 and 422,280,813.02

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Solution

The fourth proportional to 549,667,014.80, 758,905,743.39 and 422,280,813.02 is: 583,028,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,667,014.80 : 758,905,743.39 = 422,280,813.02 : x
  2. Step 2: Convert to fraction form
    549,667,014.80/758,905,743.39 = 422,280,813.02/x
  3. Step 3: Cross multiply
    549,667,014.80x = 758,905,743.39 × 422,280,813.02
  4. Step 4: Simplify right side
    549,667,014.80x = 320,471,334,324,276,672
  5. Step 5: Solve for x
    x = 320,471,334,324,276,672/549,667,014.80
  6. Step 6: Final answer
    x = 583,028,134.66

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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.